1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0601 *********************************************************************** HV0601 DESIGNATION - B 129 HV0601 PID - HV0601 HV0601 STATE/COUNTY- MD/CHARLES HV0601 USGS QUAD - POPES CREEK (1953) HV0601 HV0601 *CURRENT SURVEY CONTROL HV0601 ___________________________________________________________________ HV0601* NAD 83(1986)- 38 28 18. (N) 076 59 22. (W) SCALED HV0601* NAVD 88 - 40.261 (meters) 132.09 (feet) ADJUSTED HV0601 ___________________________________________________________________ HV0601 GEOID HEIGHT- -33.09 (meters) GEOID99 HV0601 DYNAMIC HT - 40.236 (meters) 132.01 (feet) COMP HV0601 MODELED GRAV- 980,018.7 (mgal) NAVD 88 HV0601 HV0601 VERT ORDER - FIRST CLASS II HV0601 HV0601.The horizontal coordinates were scaled from a topographic map and have HV0601.an estimated accuracy of +/- 6 seconds. HV0601 HV0601.The orthometric height was determined by differential leveling HV0601.and adjusted by the National Geodetic Survey in June 1991. HV0601 HV0601.The geoid height was determined by GEOID99. HV0601 HV0601.The dynamic height is computed by dividing the NAVD 88 HV0601.geopotential number by the normal gravity value computed on the HV0601.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0601.degrees latitude (g = 980.6199 gals.). HV0601 HV0601.The modeled gravity was interpolated from observed gravity values. HV0601 HV0601; North East Units Estimated Accuracy HV0601;SPC MD - 89,360. 400,920. MT (+/- 180 meters Scaled) HV0601 HV0601 SUPERSEDED SURVEY CONTROL HV0601 HV0601 NGVD 29 (??/??/??) 40.496 (m) 132.86 (f) ADJUSTED 1 2 HV0601 HV0601.Superseded values are not recommended for survey control. HV0601.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0601.See file dsdata.txt to determine how the superseded data were derived. HV0601 HV0601_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH264600(NAD 83) HV0601_MARKER: DV = VERTICAL CONTROL DISK HV0601_SETTING: 32 = CULVERT HV0601_STAMPING: B 129 1971 HV0601_MARK LOGO: NGS HV0601_MAGNETIC: O = OTHER; SEE DESCRIPTION HV0601_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0601+STABILITY: SURFACE MOTION HV0601 HV0601 HISTORY - Date Condition Report By HV0601 HISTORY - 1971 MONUMENTED NGS HV0601 HISTORY - 20020725 GOOD MDSHA HV0601 HV0601 STATION DESCRIPTION HV0601 HV0601'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV0601'4 MI S FROM LA PLATA. HV0601'ABOUT 4.0 MILES SOUTH ALONG U.S. HIGHWAY 301 FROM THE HV0601'INTERSECTION OF STATE HIGHWAY 6 AT LA PLATA, AT A CONCRETE HV0601'CULVERT UNDER U.S. HIGHWAY 301, 62 FEET EAST OF THE CENTER LINE HV0601'OF THE HIGHWAY AND ABOUT 12 FEET BELOW THE LEVEL OF THE HIGHWAY. HV0601 HV0601 STATION RECOVERY (2002) HV0601 HV0601'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0601'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0604 *********************************************************************** HV0604 DESIGNATION - BEL ALTON HV0604 PID - HV0604 HV0604 STATE/COUNTY- MD/CHARLES HV0604 USGS QUAD - POPES CREEK (1953) HV0604 HV0604 *CURRENT SURVEY CONTROL HV0604 ___________________________________________________________________ HV0604* NAD 83(1991)- 38 27 29.58249(N) 076 59 49.71302(W) ADJUSTED HV0604* NAVD 88 - 51.489 (meters) 168.93 (feet) ADJUSTED HV0604 ___________________________________________________________________ HV0604 LAPLACE CORR- -4.78 (seconds) DEFLEC99 HV0604 GEOID HEIGHT- -33.10 (meters) GEOID99 HV0604 DYNAMIC HT - 51.457 (meters) 168.82 (feet) COMP HV0604 MODELED GRAV- 980,017.2 (mgal) NAVD 88 HV0604 HV0604 HORZ ORDER - FIRST HV0604 VERT ORDER - FIRST CLASS II HV0604 HV0604.The horizontal coordinates were established by classical geodetic methods HV0604.and adjusted by the National Geodetic Survey in November 1994. HV0604 HV0604.The orthometric height was determined by differential leveling HV0604.and adjusted by the National Geodetic Survey in June 1991. HV0604 HV0604.The Laplace correction was computed from DEFLEC99 derived deflections. HV0604 HV0604.The geoid height was determined by GEOID99. HV0604 HV0604.The dynamic height is computed by dividing the NAVD 88 HV0604.geopotential number by the normal gravity value computed on the HV0604.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0604.degrees latitude (g = 980.6199 gals.). HV0604 HV0604.The modeled gravity was interpolated from observed gravity values. HV0604 HV0604; North East Units Scale Converg. HV0604;SPC MD - 87,865.345 400,249.405 MT 0.99997624 +0 00 06.5 HV0604;SPC MD - 288,271.55 1,313,151.59 sFT 0.99997624 +0 00 06.5 HV0604;UTM 18 - 4,258,546.438 325,744.794 MT 0.99997395 -1 14 32.7 HV0604 HV0604: Primary Azimuth Mark Grid Az HV0604:SPC MD - BEL ALTON AZ MK 053 06 16.3 HV0604:UTM 18 - BEL ALTON AZ MK 054 20 55.5 HV0604 HV0604|---------------------------------------------------------------------| HV0604| PID Reference Object Distance Geod. Az | HV0604| dddmmss.s | HV0604| HV7421 LA PLATA MUN TANK APPROX. 8.0 KM 0111528.5 | HV0604| HV0602 BEL ALTON AZ MK 0530622.8 | HV0604| HV0605 BEL ALTON RM 1 28.271 METERS 16016 | HV0604| CX2077 BEL ALTON RM 2 32.223 METERS 27123 | HV0604|---------------------------------------------------------------------| HV0604 HV0604 SUPERSEDED SURVEY CONTROL HV0604 HV0604 NAD 83(1991)- 38 27 29.58239(N) 076 59 49.71571(W) AD( ) 1 HV0604 NAD 83(1986)- 38 27 29.58263(N) 076 59 49.72803(W) AD( ) 1 HV0604 NAD 27 - 38 27 29.13906(N) 076 59 50.82079(W) AD( ) 1 HV0604 NGVD 29 (??/??/??) 51.727 (m) 169.71 (f) ADJUSTED 1 2 HV0604 HV0604.Superseded values are not recommended for survey control. HV0604.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0604.See file dsdata.txt to determine how the superseded data were derived. HV0604 HV0604_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH2574558546(NAD 83) HV0604_MARKER: DS = TRIANGULATION STATION DISK HV0604_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0604_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0604+STABILITY: SURFACE MOTION HV0604 HV0604 HISTORY - Date Condition Report By HV0604 HISTORY - 1942 MONUMENTED CGS HV0604 HISTORY - 1958 GOOD CGS HV0604 HISTORY - 1961 POOR CGS HV0604 HISTORY - 1971 GOOD NGS HV0604 HISTORY - 1971 GOOD NGS HV0604 HISTORY - 20020725 MARK NOT FOUND MDSHA HV0604 HV0604 STATION DESCRIPTION HV0604 HV0604'DESCRIBED BY COAST AND GEODETIC SURVEY 1942 (GWL) HV0604'STATION IS ABOUT 3/4 MILE SW OF BEL ALTON ON THE CHAPEL POINT HV0604'ROAD. IT IS ABOUT 45 FEET S OF THE PAVED ROAD AND ABOUT 36 FEET HV0604'W OF A GRAVEL ROAD. IT PROJECTS ABOUT 6 INCHES AND IS STAMPED BEL HV0604'ALTON 1942. HV0604' HV0604'SURFACE, UNDERGROUND, REFERENCE, AND AZIMUTH MARKS ARE STANDARD HV0604'DISKS SET IN CONCRETE, AS DESCRIBED. HV0604' HV0604'REFERENCE MARK NO.1 IS 19 FEET W OF THE CENTER OF THE GRAVEL ROAD HV0604'AND 12 FEET S OF A POWER LINE POLE. IT PROJECTS ABOUT 6 INCHES HV0604'AND IS STAMPED BEL ALTON NO.1 1942. HV0604' HV0604'REFERENCE MARK NO.2 IS 18 FEET W OF THE CENTER OF THE GRAVEL ROAD. HV0604'MARK PROJECTS ABOUT 6 INCHES AND IS STAMPED BEL ALTON NO.2 1942. HV0604' HV0604'AZIMUTH MARK IS LOCATED ABOUT 0.1 MILE N OF THE MAIN INTERSECTION HV0604'IN BEL ALTON, AT THE SE CORNER OF THE PROPERTY OF ALBERT ELDER HV0604'AND 16 FEET W OF THE CENTER OF U.S. HIGHWAY 301. IT IS 0.4 MILE HV0604'BY ROAD NE OF THE INTERSECTION OF CHAPEL POINT ROAD AND U.S. HV0604'HIGHWAY 301. MARK IS STAMPED BEL ALTON 1942. HV0604' HV0604'TO REACH THE STATION FROM LA PLATA, GO S ON U.S. HIGHWAY 301 FOR HV0604'ABOUT 5 MILES TO THE SMALL TOWN OF BEL ALTON. CONTINUE S ON HV0604'HIGHWAY 301 FOR 0.2 MILE TO THE CHAPEL POINT ROAD TO THE RIGHT. HV0604'TURN RIGHT AND GO 0.3 MILE TO A GRAVEL ROAD LEFT (REVERSE Y) AND HV0604'THE STATION ON THE LEFT. HV0604' HV0604'A 77-FOOT TOWER WILL SEE 100-FOOT LIGHTS AT STATIONS HILLTOP, HV0604'PORT, AND POMFRET. HV0604' HV0604'A 64-FOOT TOWER WILL SEE A 100-FOOT LIGHT AT PLOWDEN. HV0604' HV0604'A 50-FOOT TOWER WILL SEE A 113-FOOT LIGHT AT HICKEY. HV0604 HV0604 STATION RECOVERY (1958) HV0604 HV0604'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (JPR) HV0604'THE STATION AND REFERENCE MARKS WERE RECOVERED. A NEW DESCRIPTION HV0604'FOLLOWS-- HV0604' HV0604'THE STATION IS LOCATED ABOUT 3/4 MI. SW OF BEL ALTON ON CHAPEL HV0604'POINT ROAD. IT LIES 45 FT. S OF THE CENTERLINE OF CHAPEL POINT HV0604'ROAD, 36 FT. E OF A PAVED ROAD AND IT LIES IN THE CROTCH OF THE Y HV0604'FORMED BY THE JUNCTION OF THE TWO ROADS. THE MARK PROJECTS 4 IN. HV0604'THE MARK HAS BEEN USED AS A CHOPPING BLOCK, DESTROYING THE HV0604'STAMPINGS BUT OTHERWISE IT HAS SUFFERED NO APPARENT DAMAGE. HV0604' HV0604'SURFACE, UNDERGROUND, REFERENCE AND AZIMUTH MARKS ARE STANDARD HV0604'DISKS, SET IN CONCRETE. HV0604' HV0604'REFERENCE MARK 1 IS STAMPED BEL ALTON NO 1, 1942 AND LIES 19 FT. HV0604'W OF THE CENTERLINE OF THE PAVED ROAD AND 105.75 FT. SW OF THE HV0604'STATION. (ORIGINAL DESCRIPTION HAS REFERENCE DISTANCES REVERSED). HV0604'THE MARK PROJECTS 6 IN. HV0604' HV0604'REFERENCE MARK 2 IS STAMPED BEL ALTON NO 2, 1942 AND LIES 18 FT. HV0604'W OF THE CENTERLINE OF THE PAVED ROAD AND 92.75 FT. NW OF THE HV0604'STATION, NEAR THE JUNCTION OF THE TWO ROADS. THE MARK PROJECTS 6 IN. HV0604' HV0604'THE AZIMUTH MARK IS SET BETWEEN THE FIRST TWO HOUSES ON THE W HV0604'SIDE OF OLD HIGHWAY 301, 0.1 MI. N OF THE INTERSECTION OF OLD HV0604'HIGHWAY 301 AND CHAPEL POINT ROAD. A HOUSE HAS BEEN BUILT ON THE HV0604'LINE OF SIGHT. HV0604' HV0604'TO REACH THE STATION FROM LA PLATA, GO S ON U.S. HIGHWAY 301 FOR HV0604'APPROXIMATELY 5 MI. TO BEL ALTON AND CHAPEL POINT ROAD. TURN HV0604'RIGHT ON CHAPEL POINT ROAD AND GO ABOUT 0.3 MI. TO THE HV0604'Y-INTERSECTION AND THE STATION. HV0604 HV0604 STATION RECOVERY (1961) HV0604 HV0604'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (HTF) HV0604'THE BRASS DISK WAS FOUND INTACT, BUT VERY BATTERED. ALL MARKINGS HV0604'AND CENTER POINT OBLITERATED. THE AZIMUTH MARK AND REFERENCE HV0604'MARKERS WERE FOUND TO BE IN VERY GOOD CONDITION. HV0604 HV0604 STATION RECOVERY (1971) HV0604 HV0604'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (RRG) HV0604'THE STATION MARK, RM 1 AND THE AZIMUTH MARK WERE ALL FOUND AND IN HV0604'GOOD CONDITION. HV0604' HV0604'THE STATION MAY BE REACHED BY GOING 4.85 MILES SOUTH ALONG U. S. HV0604'HIGHWAY 301 FROM THE INTERSECTION OF STATE HIGHWAY 6 AT LA PLATA, HV0604'THENCE 0.35 MILE WEST ALONG THE BEL ALTON, NEWTON ROAD, AT THE HV0604'JUNCTION OF STATE HIGHWAY 427 (IRVING ROAD), IN THE FRONT YARD HV0604'FOR AN OLD RESIDENT, 42 FEET NORTHWEST OF THE NORTHWEST CORNER OF HV0604'THE HOUSE, 42 FEET NORTHWEST OF THE CENTER LINE OF THE HIGHWAY, 48 HV0604'FEET SOUTH OF THE CENTER LINE OF THE BEL ALTON-NEWTON ROAD, ABOUT HV0604'LEVEL WITH THE HIGHWAY AND SET IN THE TOP OF A CONCRETE POST HV0604'PROJECTING 1 INCH ABOVE THE LEVEL OF THE GROUND. HV0604' HV0604'RM 1 IS 105.8 FEET SOUTH OF THE STATION MARK DESCRIBED, 19 FEET HV0604'WEST OF THE CENTER LINE OF THE HIGHWAY, 66 FEET SOUTHWEST OF THE HV0604'SOUTHWEST CORNER OF AN OLD RESIDENT, 270 FEET SOUTHWEST OF THE HV0604'CENTER OF A ROAD JUNCTION, SET IN THE TOP OF A CONCRETE POST HV0604'PROJECTING 4 INCHES ABOVE THE LEVEL OF THE GROUND. HV0604' HV0604'BEL ALTON AZ MARK MAY BE REACHED BY GOING 4.85 MILES SOUTH ALONG HV0604'US HIGHWAY 301 FROM THE INTERSECTION OF STATE HIGHWAY 6 AT LA HV0604'PLATA, THENCE 0.3 MILE NORTHEAST ALONG THE BEL ALTON-NEWTON ROAD, HV0604'THENCE 0.1 MILE NORTH ALONG FAIRGROUND ROAD, (OLD US HIGHWAY HV0604'301), 16 FEET WEST OF THE CENTER LINE OF THE OLD HIGHWAY, 60.5 HV0604'FEET NORTHEAST OF THE NORTHEAST CORNER OF A 2 STORY BRICK HOUSE, 9 HV0604'FEET NORTH OF THE CENTER LINE OF A DRIVEWAY TO BRICK HOUSE, 39 HV0604'FEET SOUTHWEST OF POWER LINE POLE NO. 158, ABOUT LEVEL WITH THE HV0604'ROAD AND SET IN THE TOP OF A CONCRETE POST PROJECTING 6 INCHES HV0604'ABOVE THE LEVEL OF THE GROUND. HV0604' HV0604'NOTE--THE STAMPING ON THE STATION MARK DISK HAS BEEN BATTERED AND HV0604'IS NO LONGER LEGIBLE. HV0604' HV0604'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--5.2 MILES SOUTH. HV0604 HV0604 STATION RECOVERY (1971) HV0604 HV0604'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 HV0604'5.2 MI S FROM LA PLATA. HV0604'ABOUT 4.85 MILES SOUTH ALONG U.S. HIGHWAY 301 FROM THE HV0604'INTERSECTION OF STATE HIGHWAY 6 AT LA PLATA, THENCE 0.35 MILE HV0604'WEST ALONG BEL ALTON-NEWTON ROAD, AT THE JUNCTION OF STATE HV0604'HIGHWAY 427 (IRVING ROAD), IN THE FRONT YARD FOR AN OLD RESIDENT, HV0604'42 FEET NORTHWEST OF THE NORTHWEST CORNER OF THE HOUSE, 36 FEET HV0604'NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, 48 FEET SOUTH OF THE HV0604'CENTER LINE OF THE BEL ALTON-NEWTON ROAD, ABOUT LEVEL WITH THE HV0604'HIGHWAY AND SET IN THE TP OF A CONCRETE POST PROJECTING 1 INCH HV0604'ABOVE THE LEVEL OF THE GROUND. THE DISK HAS BEEN BATTERED. HV0604'STAMPING NO LONGER LEGIBLE. NOTE-- MARK MAY BE REACHED BY GOING HV0604'1.8 MILES NORTHWEST ALONG STATE HIGHWAY 427 (IRVING ROAD) FROM HV0604'THE POST OFFICE AT FAULKNER. HV0604 HV0604 STATION RECOVERY (2002) HV0604 HV0604'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0604'NOT RECOVERED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0602 *********************************************************************** HV0602 DESIGNATION - BEL ALTON AZ MK HV0602 PID - HV0602 HV0602 STATE/COUNTY- MD/CHARLES HV0602 USGS QUAD - POPES CREEK (1953) HV0602 HV0602 *CURRENT SURVEY CONTROL HV0602 ___________________________________________________________________ HV0602* NAD 83(1986)- 38 27 51. (N) 076 59 15. (W) SCALED HV0602* NAVD 88 - 54.781 (meters) 179.73 (feet) ADJUSTED HV0602 ___________________________________________________________________ HV0602 GEOID HEIGHT- -33.11 (meters) GEOID99 HV0602 DYNAMIC HT - 54.747 (meters) 179.62 (feet) COMP HV0602 MODELED GRAV- 980,016.9 (mgal) NAVD 88 HV0602 HV0602 VERT ORDER - FIRST CLASS II HV0602 HV0602.The horizontal coordinates were scaled from a topographic map and have HV0602.an estimated accuracy of +/- 6 seconds. HV0602 HV0602.The orthometric height was determined by differential leveling HV0602.and adjusted by the National Geodetic Survey in June 1991. HV0602 HV0602.The geoid height was determined by GEOID99. HV0602 HV0602.The dynamic height is computed by dividing the NAVD 88 HV0602.geopotential number by the normal gravity value computed on the HV0602.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0602.degrees latitude (g = 980.6199 gals.). HV0602 HV0602.The modeled gravity was interpolated from observed gravity values. HV0602 HV0602; North East Units Estimated Accuracy HV0602;SPC MD - 88,530. 401,090. MT (+/- 180 meters Scaled) HV0602 HV0602 SUPERSEDED SURVEY CONTROL HV0602 HV0602 NGVD 29 (??/??/??) 55.017 (m) 180.50 (f) ADJUSTED 1 2 HV0602 HV0602.Superseded values are not recommended for survey control. HV0602.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0602.See file dsdata.txt to determine how the superseded data were derived. HV0602 HV0602_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH266591(NAD 83) HV0602_MARKER: DZ = AZIMUTH MARK DISK HV0602_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0602_STAMPING: BEL ALTON 1942 HV0602_MARK LOGO: CGS HV0602_MAGNETIC: O = OTHER; SEE DESCRIPTION HV0602_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0602+STABILITY: SURFACE MOTION HV0602 HV0602 HISTORY - Date Condition Report By HV0602 HISTORY - 1942 MONUMENTED CGS HV0602 HISTORY - 1971 GOOD NGS HV0602 HISTORY - 20020725 GOOD MDSHA HV0602 HV0602 STATION DESCRIPTION HV0602 HV0602'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV0602'5.2 MI S FROM LA PLATA. HV0602'ABOUT 4.85 MILES SOUTH ALONG U.S. HIGHWAY 301 FROM THE HV0602'INTERSECTION OF STATE HIGHWAY 6 AT LA PLATA, THENCE 0.3 MILE HV0602'NORTHEAST ALONG THE BEL ALTON-NEWTON ROAD, THENCE 0.1 MILE NORTH HV0602'ALONG FAIRGROUND ROAD, 16 FEET WEST OF THE CENTER LINE OF HV0602'FAIRGROUND ROAD (OLD U.S. HIGHWAY 301), 60.5 FEET NORTHEAST OF HV0602'THE NORTHEAST CORNER OF A 2 STORY BRICK HOUSE, 9 FEET NORTH OF HV0602'THE CENTER LINE OF THE DRIVEWAY TO BRICK HOUSE, 39 FEET SOUTHWEST HV0602'OF POWER LINE POLE NO. 158, ABOUT LEVEL WITH THE ROAD AND SET IN HV0602'THE TOP OF A CONCRETE POST PROJECTING 6 INCHES ABOVE THE LEVEL OF HV0602'THE GROUND. HV0602 HV0602 STATION RECOVERY (2002) HV0602 HV0602'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0602'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0605 *********************************************************************** HV0605 DESIGNATION - BEL ALTON RM 1 HV0605 PID - HV0605 HV0605 STATE/COUNTY- MD/CHARLES HV0605 USGS QUAD - POPES CREEK (1953) HV0605 HV0605 *CURRENT SURVEY CONTROL HV0605 ___________________________________________________________________ HV0605* NAD 83(1986)- 38 27 29. (N) 076 59 49. (W) SCALED HV0605* NAVD 88 - 51.428 (meters) 168.73 (feet) ADJUSTED HV0605 ___________________________________________________________________ HV0605 GEOID HEIGHT- -33.10 (meters) GEOID99 HV0605 DYNAMIC HT - 51.397 (meters) 168.62 (feet) COMP HV0605 MODELED GRAV- 980,017.2 (mgal) NAVD 88 HV0605 HV0605 VERT ORDER - FIRST CLASS II HV0605 HV0605.The horizontal coordinates were scaled from a topographic map and have HV0605.an estimated accuracy of +/- 6 seconds. HV0605 HV0605.The orthometric height was determined by differential leveling HV0605.and adjusted by the National Geodetic Survey in June 1991. HV0605 HV0605.The geoid height was determined by GEOID99. HV0605 HV0605.The dynamic height is computed by dividing the NAVD 88 HV0605.geopotential number by the normal gravity value computed on the HV0605.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0605.degrees latitude (g = 980.6199 gals.). HV0605 HV0605.The modeled gravity was interpolated from observed gravity values. HV0605 HV0605; North East Units Estimated Accuracy HV0605;SPC MD - 87,850. 400,270. MT (+/- 180 meters Scaled) HV0605 HV0605 SUPERSEDED SURVEY CONTROL HV0605 HV0605 NGVD 29 (??/??/??) 51.666 (m) 169.51 (f) ADJUSTED 1 2 HV0605 HV0605.Superseded values are not recommended for survey control. HV0605.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0605.See file dsdata.txt to determine how the superseded data were derived. HV0605 HV0605_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH257585(NAD 83) HV0605_MARKER: DR = REFERENCE MARK DISK HV0605_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0605_STAMPING: BEL ALTON NO 1 1942 HV0605_MARK LOGO: CGS HV0605_MAGNETIC: O = OTHER; SEE DESCRIPTION HV0605_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0605+STABILITY: SURFACE MOTION HV0605 HV0605 HISTORY - Date Condition Report By HV0605 HISTORY - 1942 MONUMENTED CGS HV0605 HISTORY - 1971 GOOD NGS HV0605 HISTORY - 20020725 GOOD MDSHA HV0605 HV0605 STATION DESCRIPTION HV0605 HV0605'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV0605'5.2 MI S FROM LA PLATA. HV0605'ABOUT 4.85 MILES SOUTH ALONG U.S. HIGHWAY 301 FROM THE HV0605'INTERSECTION OF STATE HIGHWAY 6 AT LA PLATA, THENCE 0.35 MILE HV0605'WEST ALONG THE BEL ALTON-NEWTON ROAD, ABOUT 270 FEET SOUTHWEST OF HV0605'THE JUNCTION FORMED BY THE ROAD AND STATE HIGHWAY 427, 105.8 FEET HV0605'SOUTH OF THE STATION MARK DESCRIBED, 19 FEET WEST OF THE CENTER HV0605'LINE OF THE HIGHWAY (IRVING ROAD), 12 FEET SOUTHWEST OF A POLE, HV0605'66 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF AN OLD HOUSE, ABOUT HV0605'LEVEL WITH THE HIGHWAY AND SET IN THE TOP OF A CONCRETE POST HV0605'PROJECTING 4 INCHES ABOVE THE LEVEL OF THE GROUND. NOTE-- MARK HV0605'MAY BE REACHED BY GOING 1.8 MILES NORTHWEST ALONG STATE HIGHWAY HV0605'427 FROM THE POST OFFICE AT FAULKNER. HV0605 HV0605 STATION RECOVERY (2002) HV0605 HV0605'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0605'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0973 *********************************************************************** HV0973 DESIGNATION - C 100 HV0973 PID - HV0973 HV0973 STATE/COUNTY- MD/CHARLES HV0973 USGS QUAD - HUGHESVILLE (1985) HV0973 HV0973 *CURRENT SURVEY CONTROL HV0973 ___________________________________________________________________ HV0973* NAD 83(1986)- 38 32 22. (N) 076 46 01. (W) SCALED HV0973* NAVD 88 - 56.165 (meters) 184.27 (feet) ADJUSTED HV0973 ___________________________________________________________________ HV0973 GEOID HEIGHT- -33.40 (meters) GEOID99 HV0973 DYNAMIC HT - 56.131 (meters) 184.16 (feet) COMP HV0973 MODELED GRAV- 980,022.9 (mgal) NAVD 88 HV0973 HV0973 VERT ORDER - SECOND CLASS I HV0973 HV0973.The horizontal coordinates were scaled from a topographic map and have HV0973.an estimated accuracy of +/- 6 seconds. HV0973 HV0973.The orthometric height was determined by differential leveling HV0973.and adjusted by the National Geodetic Survey in November 2003. HV0973 HV0973.The geoid height was determined by GEOID99. HV0973 HV0973.The dynamic height is computed by dividing the NAVD 88 HV0973.geopotential number by the normal gravity value computed on the HV0973.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0973.degrees latitude (g = 980.6199 gals.). HV0973 HV0973.The modeled gravity was interpolated from observed gravity values. HV0973 HV0973; North East Units Estimated Accuracy HV0973;SPC MD - 96,910. 420,320. MT (+/- 180 meters Scaled) HV0973 HV0973 SUPERSEDED SURVEY CONTROL HV0973 HV0973 NAVD 88 (06/15/91) 56.155 (m) 184.24 (f) UNKNOWN 1 2 HV0973 NGVD 29 (??/??/??) 56.420 (m) 185.10 (f) ADJUSTED 1 2 HV0973 HV0973.Superseded values are not recommended for survey control. HV0973.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0973.See file dsdata.txt to determine how the superseded data were derived. HV0973 HV0973_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH460671(NAD 83) HV0973_MARKER: DB = BENCH MARK DISK HV0973_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0973_STAMPING: C 100 1961 HV0973_MARK LOGO: CGS HV0973_MAGNETIC: O = OTHER; SEE DESCRIPTION HV0973_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0973+STABILITY: SURFACE MOTION HV0973 HV0973 HISTORY - Date Condition Report By HV0973 HISTORY - 1961 MONUMENTED CGS HV0973 HISTORY - 1971 GOOD NGS HV0973 HISTORY - 20020320 GOOD MDSHA HV0973 HV0973 STATION DESCRIPTION HV0973 HV0973'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV0973'1 MI E FROM HUGHESVILLE. HV0973'ABOUT 1.05 MILES EAST ALONG STATE HIGHWAYS 231 AND 381 FROM THE HV0973'JUNCTION OF STATE HIGHWAY 5 AT HUGHESVILLE, ABOUT 0.4 MILE WEST HV0973'OF EPISCOPAL CHURCH AND CEMETERY, 40 1/2 FEET NORTHWEST OF THE HV0973'CENTER LINE OF THE HIGHWAY, 195.0 FEET SOUTH OF THE EAST CORNER HV0973'OF A BRICK HOUSE, 57 FEET SOUTHWEST OF THE CENTER LINE OF A HV0973'DRIVEWAY, 13 1/2 FEET NORTHEAST OF A POWER POLE WHICH IS BRACED HV0973'BY A GUY WIRE, 2.7 FEET SOUTHEAST OF A METAL WITNESS POST, ABOUT HV0973'LEVEL WITH THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST HV0973'PROJECTING 7 INCHES. HV0973 HV0973 STATION RECOVERY (2002) HV0973 HV0973'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0973'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0974 *********************************************************************** HV0974 DESIGNATION - D 100 HV0974 PID - HV0974 HV0974 STATE/COUNTY- MD/CHARLES HV0974 USGS QUAD - BENEDICT (1983) HV0974 HV0974 *CURRENT SURVEY CONTROL HV0974 ___________________________________________________________________ HV0974* NAD 83(1986)- 38 32 24. (N) 076 44 52. (W) SCALED HV0974* NAVD 88 - 49.594 (meters) 162.71 (feet) ADJUSTED HV0974 ___________________________________________________________________ HV0974 GEOID HEIGHT- -33.43 (meters) GEOID99 HV0974 DYNAMIC HT - 49.565 (meters) 162.61 (feet) COMP HV0974 MODELED GRAV- 980,025.4 (mgal) NAVD 88 HV0974 HV0974 VERT ORDER - FIRST CLASS I HV0974 HV0974.The horizontal coordinates were scaled from a topographic map and have HV0974.an estimated accuracy of +/- 6 seconds. HV0974 HV0974.The orthometric height was determined by differential leveling HV0974.and adjusted by the National Geodetic Survey in June 1991. HV0974 HV0974.The geoid height was determined by GEOID99. HV0974 HV0974.The dynamic height is computed by dividing the NAVD 88 HV0974.geopotential number by the normal gravity value computed on the HV0974.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0974.degrees latitude (g = 980.6199 gals.). HV0974 HV0974.The modeled gravity was interpolated from observed gravity values. HV0974 HV0974; North East Units Estimated Accuracy HV0974;SPC MD - 96,970. 421,990. MT (+/- 180 meters Scaled) HV0974 HV0974 SUPERSEDED SURVEY CONTROL HV0974 HV0974 NGVD 29 (??/??/??) 49.859 (m) 163.58 (f) ADJUSTED 1 1 HV0974 HV0974.Superseded values are not recommended for survey control. HV0974.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0974.See file dsdata.txt to determine how the superseded data were derived. HV0974 HV0974_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH476671(NAD 83) HV0974_MARKER: DB = BENCH MARK DISK HV0974_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0974_STAMPING: D 100 1961 HV0974_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0974+STABILITY: SURFACE MOTION HV0974 HV0974 HISTORY - Date Condition Report By HV0974 HISTORY - 1961 MONUMENTED CGS HV0974 HISTORY - 1971 GOOD NGS HV0974 HISTORY - 20020607 MARK NOT FOUND MDSHA HV0974 HV0974 STATION DESCRIPTION HV0974 HV0974'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV0974'2.2 MI E FROM HUGHESVILLE. HV0974'ABOUT 2.15 MILES SOUTHEAST ALONG STATE HIGHWAYS 231 AND 381 FROM HV0974'THE INTERSECTION OF STATE HIGHWAY 5 AT HUGHESVILLE, 262 FEET HV0974'NORTHEAST OF THE CENTER OF THE JUNCTION OF STATE HIGHWAYS 231 AND HV0974'381, 131.0 FEET NORTH-NORTHWEST AND ACROSS STATE HIGHWAY 381 FROM HV0974'THE NORTH CORNER OF THE CORNER TAVERN, PATUXENT CITY, 36 FEET HV0974'NORTHWEST OF THE CENTER LINE OF THE HIGHWAY, 153 FEET SOUTHWEST HV0974'OF POWER POLE NUMBER 3 WHICH IS BRACED BY 2 GUY WIRES, 1.4 FEET HV0974'NORTHEAST OF A METAL WITNESS POST, ABOUT 1 FOOT BELOW THE LEVEL HV0974'OF THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING HV0974'6 INCHES. HV0974 HV0974 STATION RECOVERY (2002) HV0974 HV0974'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0974'THE STATION WAS SEARCHED FOR AND NOT RECOVERED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0975 *********************************************************************** HV0975 DESIGNATION - E 100 HV0975 PID - HV0975 HV0975 STATE/COUNTY- MD/CHARLES HV0975 USGS QUAD - BENEDICT (1983) HV0975 HV0975 *CURRENT SURVEY CONTROL HV0975 ___________________________________________________________________ HV0975* NAD 83(1986)- 38 33 12. (N) 076 44 30. (W) SCALED HV0975* NAVD 88 - 30.453 (meters) 99.91 (feet) ADJUSTED HV0975 ___________________________________________________________________ HV0975 GEOID HEIGHT- -33.42 (meters) GEOID99 HV0975 DYNAMIC HT - 30.435 (meters) 99.85 (feet) COMP HV0975 MODELED GRAV- 980,027.3 (mgal) NAVD 88 HV0975 HV0975 VERT ORDER - FIRST CLASS I HV0975 HV0975.The horizontal coordinates were scaled from a topographic map and have HV0975.an estimated accuracy of +/- 6 seconds. HV0975 HV0975.The orthometric height was determined by differential leveling HV0975.and adjusted by the National Geodetic Survey in June 1991. HV0975 HV0975.The geoid height was determined by GEOID99. HV0975 HV0975.The dynamic height is computed by dividing the NAVD 88 HV0975.geopotential number by the normal gravity value computed on the HV0975.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0975.degrees latitude (g = 980.6199 gals.). HV0975 HV0975.The modeled gravity was interpolated from observed gravity values. HV0975 HV0975; North East Units Estimated Accuracy HV0975;SPC MD - 98,460. 422,520. MT (+/- 180 meters Scaled) HV0975 HV0975 SUPERSEDED SURVEY CONTROL HV0975 HV0975 NGVD 29 (??/??/??) 30.716 (m) 100.77 (f) ADJUSTED 1 1 HV0975 HV0975.Superseded values are not recommended for survey control. HV0975.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0975.See file dsdata.txt to determine how the superseded data were derived. HV0975 HV0975_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH482686(NAD 83) HV0975_MARKER: DB = BENCH MARK DISK HV0975_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0975_STAMPING: E 100 1961 HV0975_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0975+STABILITY: SURFACE MOTION HV0975 HV0975 HISTORY - Date Condition Report By HV0975 HISTORY - 1961 MONUMENTED CGS HV0975 HISTORY - 1971 GOOD NGS HV0975 HISTORY - 20020607 MARK NOT FOUND MDSHA HV0975 HV0975 STATION DESCRIPTION HV0975 HV0975'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV0975'3.2 MI NE FROM HUGHESVILLE. HV0975'ABOUT 2.15 MILES EAST ALONG STATE HIGHWAYS 231 AND 381 FROM THE HV0975'INTERSECTION OF STATE HIGHWAY 5 AT HUGHESVILLE, THENCE 1.0 MILE HV0975'NORTHEAST ALONG STATE HIGHWAY 381, ABOUT 0.3 MILE SOUTHWEST OF HV0975'A CONCRETE HIGHWAY BRIDGE OVER SWANSON CREEK AND THE HV0975'CHARLES-PRINCE GEORGE COUNTY LINE, 47 FEET SOUTHEAST OF THE HV0975'CENTER LINE OF THE HIGHWAY, 119.5 FEET NORTH OF THE NORTH CORNER HV0975'OF A BRICK HOUSE, 134 FEET SOUTH AND ACROSS THE HIGHWAY FROM THE HV0975'MOST NORTHEASTERLY POST IN A GUARDRAIL, 69 FEET NORTHEAST OF THE HV0975'CENTER LINE OF A PRIVATE DRIVEWAY, 2.5 FEET NORTHWEST OF A METAL HV0975'WITNESS POST, ABOUT 2 FEET BELOW THE LEVEL OF THE HIGHWAY, AND HV0975'SET IN THE TOP OF A CONCRETE POST PROJECTING 8 INCHES. HV0975 HV0975 STATION RECOVERY (2002) HV0975 HV0975'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0975'THE STATION WAS SEARCHED FOR AND NOT RECOVERED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 AJ8008 *********************************************************************** AJ8008 CBN - This is a Cooperative Base Network Control Station. AJ8008 DESIGNATION - JASON AJ8008 PID - AJ8008 AJ8008 STATE/COUNTY- MD/CHARLES AJ8008 USGS QUAD - POPES CREEK (1953) AJ8008 AJ8008 *CURRENT SURVEY CONTROL AJ8008 ___________________________________________________________________ AJ8008* NAD 83(1991)- 38 27 33.60710(N) 076 59 27.23196(W) ADJUSTED AJ8008* NAVD 88 - 52.719 (meters) 172.96 (feet) ADJUSTED AJ8008 ___________________________________________________________________ AJ8008 X - 1,125,730.335 (meters) COMP AJ8008 Y - -4,872,542.077 (meters) COMP AJ8008 Z - 3,945,507.858 (meters) COMP AJ8008 LAPLACE CORR- -4.82 (seconds) DEFLEC99 AJ8008 ELLIP HEIGHT- 19.55 (meters) (02/12/02) GPS OBS AJ8008 GEOID HEIGHT- -33.11 (meters) GEOID99 AJ8008 DYNAMIC HT - 52.687 (meters) 172.86 (feet) COMP AJ8008 MODELED GRAV- 980,016.3 (mgal) NAVD 88 AJ8008 AJ8008 HORZ ORDER - A AJ8008 VERT ORDER - SECOND CLASS I AJ8008 ELLP ORDER - FOURTH CLASS I AJ8008 AJ8008.The horizontal coordinates were established by GPS observations AJ8008.and adjusted by the National Geodetic Survey in February 2002. AJ8008 AJ8008.The orthometric height was determined by differential leveling AJ8008.and adjusted by the National Geodetic Survey in November 2003. AJ8008 AJ8008.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ8008 AJ8008.The Laplace correction was computed from DEFLEC99 derived deflections. AJ8008 AJ8008.The ellipsoidal height was determined by GPS observations AJ8008.and is referenced to NAD 83. AJ8008 AJ8008.The geoid height was determined by GEOID99. AJ8008 AJ8008.The dynamic height is computed by dividing the NAVD 88 AJ8008.geopotential number by the normal gravity value computed on the AJ8008.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AJ8008.degrees latitude (g = 980.6199 gals.). AJ8008 AJ8008.The modeled gravity was interpolated from observed gravity values. AJ8008 AJ8008; North East Units Scale Converg. AJ8008;SPC MD - 87,989.476 400,794.440 MT 0.99997610 +0 00 20.6 AJ8008;SPC MD - 288,678.81 1,314,939.76 sFT 0.99997610 +0 00 20.6 AJ8008;UTM 18 - 4,258,658.703 326,292.394 MT 0.99997161 -1 14 18.8 AJ8008 AJ8008 SUPERSEDED SURVEY CONTROL AJ8008 AJ8008.No superseded survey control is available for this station. AJ8008 AJ8008_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH2629258659(NAD 83) AJ8008_MARKER: DD = SURVEY DISK AJ8008_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AJ8008_STAMPING: JASON 2000 AJ8008_MARK LOGO: MDSHA AJ8008_MAGNETIC: O = OTHER; SEE DESCRIPTION AJ8008_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AJ8008+STABILITY: SURFACE MOTION AJ8008_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ8008+SATELLITE: SATELLITE OBSERVATIONS - 2000 AJ8008 AJ8008 HISTORY - Date Condition Report By AJ8008 HISTORY - 2000 MONUMENTED MDSHA AJ8008 HISTORY - 20020725 GOOD MDSHA AJ8008 AJ8008 STATION DESCRIPTION AJ8008 AJ8008'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) AJ8008'THE STATION IS LOCATED ABOUT 5.0 MILES (8.0 KM) SOUTH OF LA PLATA, AND AJ8008'18.0 MILES (29.0 KM) SOUTHEAST OF MOUNT VERNON, VIRGINIA. TO REACH AJ8008'THE STATION FROM THE JUNCTION OF STATE HIGHWAY 6 AND U.S.HIGHWAY 301 AJ8008'IN LA PLATA, GO SOUTH ALONG U.S.HIGHWAY 301 FOR 4.9 MILES (7.9 KM) TO AJ8008'BEL ALTON-NEWTON ROAD. MAKE A U-TURN AND GO NORTH ALONG U.S.HIGHWAY AJ8008'301 FOR 0.05 MILES (0.08 KM) TO THE STATION ON THE RIGHT. THE STATION AJ8008'IS A MARYLAND STATE HIGHWAY SURVEY DISK SET IN THE TOP OF A 12 INCH AJ8008'ROUND CONCRETE MONUMENT WHICH IS FLUSH WITH THE GROUND, 40.0 FEET AJ8008'(12.2 M) EAST OF THE CENTER OF THE NORTHBOUND LANES OF THE HIGHWAY, AJ8008'82.5 FEET (25.1 M) NORTH OF C-P POLE NUMBER 1, 83.0 FEET (25.3 M) AJ8008'WEST-SOUTHWEST OF POWER POLE NUMBER 4189 LOCATED ON THE WEST SIDE OF AJ8008'BEL ALTON-NEWTON ROAD, ABOUT 110 FEET (33.5 M) NORTH OF THE CENTER OF AJ8008'THE TURN LANE FROM BEL ALTON-NEWTON ROAD TO NORTHBOUND U.S.HIGHWAY AJ8008'301, 1.5 FEET (0.5 M) WEST OF A CARSONITE WITNESS POST AND LEVEL WITH AJ8008'THE SURFACE OF THE HIGHWAY. AJ8008 AJ8008 STATION RECOVERY (2002) AJ8008 AJ8008'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) AJ8008'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0972 *********************************************************************** HV0972 DESIGNATION - K 40 RESET HV0972 PID - HV0972 HV0972 STATE/COUNTY- MD/CHARLES HV0972 USGS QUAD - HUGHESVILLE (1985) HV0972 HV0972 *CURRENT SURVEY CONTROL HV0972 ___________________________________________________________________ HV0972* NAD 83(1986)- 38 32 18. (N) 076 47 14. (W) SCALED HV0972* NAVD 88 - 60.34 (+/-2cm) 198.0 (feet) VERTCON HV0972 ___________________________________________________________________ HV0972 GEOID HEIGHT- -33.37 (meters) GEOID99 HV0972 HV0972 VERT ORDER - THIRD (See Below) HV0972 HV0972.The horizontal coordinates were scaled from a topographic map and have HV0972.an estimated accuracy of +/- 6 seconds. HV0972 HV0972.The NAVD 88 height was computed by applying the VERTCON shift value to HV0972.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV0972.The vertical order pertains to the NGVD 29 superseded value. HV0972 HV0972.The geoid height was determined by GEOID99. HV0972 HV0972; North East Units Estimated Accuracy HV0972;SPC MD - 96,780. 418,550. MT (+/- 180 meters Scaled) HV0972 HV0972 SUPERSEDED SURVEY CONTROL HV0972 HV0972 NGVD 29 (??/??/??) 60.60 (m) 198.8 (f) RESET 3 HV0972 HV0972.Superseded values are not recommended for survey control. HV0972.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0972.See file dsdata.txt to determine how the superseded data were derived. HV0972 HV0972_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH442670(NAD 83) HV0972_MARKER: DB = BENCH MARK DISK HV0972_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0972_STAMPING: K 40 1941 RESET 1966 HV0972_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0972+STABILITY: SURFACE MOTION HV0972 HV0972 HISTORY - Date Condition Report By HV0972 HISTORY - 1966 MONUMENTED MDSRC HV0972 HISTORY - 20020607 MARK NOT FOUND MDSHA HV0972 HV0972 STATION DESCRIPTION HV0972 HV0972'DESCRIBED BY MD STATE ROADS COMM 1966 HV0972'AT HUGHESVILLE. HV0972'AT HUGHESVILLE, ABOUT 0.4 MILE NORTHWEST ALONG STATE HIGHWAY 5 HV0972'FROM ITS INTERSECTION WITH STATE HIGHWAY 231, 150 FEET NORTH OF HV0972'A 10-FOOT DIRT ENTRANCE, 75 FEET NORTH OF C AND P POLE NO. 371, HV0972'52.9 FEET EAST OF THE CENTERLINE OF HIGHWAY 5, 2.7 FEET SOUTH OF HV0972'A POLE AND SET IN THE TOP OF A CONCRETE POST PROJECTING 4 INCHES. HV0972 HV0972 STATION RECOVERY (2002) HV0972 HV0972'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0972'THE STATION WAS SEARCHED FOR AND NOT RECOVERED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0990 *********************************************************************** HV0990 DESIGNATION - L 40 HV0990 PID - HV0990 HV0990 STATE/COUNTY- MD/CHARLES HV0990 USGS QUAD - HUGHESVILLE (1985) HV0990 HV0990 *CURRENT SURVEY CONTROL HV0990 ___________________________________________________________________ HV0990* NAD 83(1986)- 38 31 43. (N) 076 46 55. (W) SCALED HV0990* NAVD 88 - 54.388 (meters) 178.44 (feet) ADJUSTED HV0990 ___________________________________________________________________ HV0990 GEOID HEIGHT- -33.40 (meters) GEOID99 HV0990 DYNAMIC HT - 54.355 (meters) 178.33 (feet) COMP HV0990 MODELED GRAV- 980,020.4 (mgal) NAVD 88 HV0990 HV0990 VERT ORDER - FIRST CLASS II HV0990 HV0990.The horizontal coordinates were scaled from a topographic map and have HV0990.an estimated accuracy of +/- 6 seconds. HV0990 HV0990.The orthometric height was determined by differential leveling HV0990.and adjusted by the National Geodetic Survey in June 1991. HV0990 HV0990.The geoid height was determined by GEOID99. HV0990 HV0990.The dynamic height is computed by dividing the NAVD 88 HV0990.geopotential number by the normal gravity value computed on the HV0990.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0990.degrees latitude (g = 980.6199 gals.). HV0990 HV0990.The modeled gravity was interpolated from observed gravity values. HV0990 HV0990; North East Units Estimated Accuracy HV0990;SPC MD - 95,700. 419,010. MT (+/- 180 meters Scaled) HV0990 HV0990 SUPERSEDED SURVEY CONTROL HV0990 HV0990 NGVD 29 (??/??/??) 54.653 (m) 179.31 (f) ADJUSTED 1 2 HV0990 HV0990.Superseded values are not recommended for survey control. HV0990.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0990.See file dsdata.txt to determine how the superseded data were derived. HV0990 HV0990_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH446659(NAD 83) HV0990_MARKER: DB = BENCH MARK DISK HV0990_SETTING: 32 = CULVERT HEADWALL HV0990_STAMPING: L 40 1941 HV0990_MARK LOGO: CGS HV0990_MAGNETIC: O = OTHER; SEE DESCRIPTION HV0990_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0990+STABILITY: SURFACE MOTION HV0990_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV0990+SATELLITE: SATELLITE OBSERVATIONS - March 20, 2002 HV0990 HV0990 HISTORY - Date Condition Report By HV0990 HISTORY - 1941 MONUMENTED CGS HV0990 HISTORY - 1961 GOOD CGS HV0990 HISTORY - 20020320 GOOD MDSHA HV0990 HV0990 STATION DESCRIPTION HV0990 HV0990'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 HV0990'AT HUGHESVILLE. HV0990'0.2 MILE SOUTHEAST ALONG STATE HIGHWAY 5 FROM THE INTERSECTION HV0990'OF STATE HIGHWAY 231 IN HUGHESVILLE, SOUTHWEST OF THE HIGHWAY HV0990'IN THE SOUTHWEST HEADWALL OF A CULVERT, AT THE SOUTHEAST END AND HV0990'JUST SOUTHEAST OF A GUARDRAIL ON THE HEADWALL. HV0990 HV0990 STATION RECOVERY (2002) HV0990 HV0990'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0990'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV1601 *********************************************************************** HV1601 DESIGNATION - S 134 HV1601 PID - HV1601 HV1601 STATE/COUNTY- MD/CHARLES HV1601 USGS QUAD - BENEDICT (1983) HV1601 HV1601 *CURRENT SURVEY CONTROL HV1601 ___________________________________________________________________ HV1601* NAD 83(1986)- 38 32 02. (N) 076 44 17. (W) SCALED HV1601* NAVD 88 - 45.296 (meters) 148.61 (feet) ADJUSTED HV1601 ___________________________________________________________________ HV1601 GEOID HEIGHT- -33.46 (meters) GEOID99 HV1601 DYNAMIC HT - 45.268 (meters) 148.52 (feet) COMP HV1601 MODELED GRAV- 980,026.4 (mgal) NAVD 88 HV1601 HV1601 VERT ORDER - FIRST CLASS I HV1601 HV1601.The horizontal coordinates were scaled from a topographic map and have HV1601.an estimated accuracy of +/- 6 seconds. HV1601 HV1601.The orthometric height was determined by differential leveling HV1601.and adjusted by the National Geodetic Survey in June 1991. HV1601 HV1601.The geoid height was determined by GEOID99. HV1601 HV1601.The dynamic height is computed by dividing the NAVD 88 HV1601.geopotential number by the normal gravity value computed on the HV1601.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV1601.degrees latitude (g = 980.6199 gals.). HV1601 HV1601.The modeled gravity was interpolated from observed gravity values. HV1601 HV1601; North East Units Estimated Accuracy HV1601;SPC MD - 96,300. 422,840. MT (+/- 180 meters Scaled) HV1601 HV1601 SUPERSEDED SURVEY CONTROL HV1601 HV1601 NGVD 29 (??/??/??) 45.561 (m) 149.48 (f) ADJUSTED 1 1 HV1601 HV1601.Superseded values are not recommended for survey control. HV1601.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1601.See file dsdata.txt to determine how the superseded data were derived. HV1601 HV1601_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH485664(NAD 83) HV1601_MARKER: DV = VERTICAL CONTROL DISK HV1601_SETTING: 16 = (FASTENED TO) A METAL ROD WITH BASE PLATE BURIED/SCREWED HV1601+WITH SETTING: INTO GROUND HV1601_STAMPING: S 134 1971 HV1601_MARK LOGO: NGS HV1601_MAGNETIC: O = OTHER; SEE DESCRIPTION HV1601_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV1601+STABILITY: SURFACE MOTION HV1601 HV1601 HISTORY - Date Condition Report By HV1601 HISTORY - 1971 MONUMENTED NGS HV1601 HISTORY - 20020320 GOOD MDSHA HV1601 HV1601 STATION DESCRIPTION HV1601 HV1601'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV1601'2.8 MI SE FROM HUGHESVILLE. HV1601'ABOUT 2.15 MILES SOUTHEAST ALONG STATE HIGHWAY 231 AND 381 FROM HV1601'THE INTERSECTION OF STATE HIGHWAY 5 AT HUGHESVILLE, THENCE 0.65 HV1601'MILE SOUTHEAST ALONG STATE HIGHWAY 231, ABOUT 0.2 MILE NORTHWEST HV1601'OF THE JUNCTION OF TEAQUES ROAD, ON THE OUTSIDE OF A LONG CURVE HV1601'IN THE HIGHWAY, 52 1/2 FEET NORTHEAST OF THE CENTER LINE OF THE HV1601'HIGHWAY, 151 FEET NORTH-NORTHWEST AND ACROSS THE HIGHWAY FROM HV1601'UNDERGROUND TELEPHONE CABLE MARKER NUMBER 5, 141 FEET NORTHWEST HV1601'OF THE NORTHWEST END OF A METAL GUARDRAIL, 47 FEET NORTHWEST OF A HV1601'FORKED OAK TREE, 8 1/2 FEET NORTHEAST OF POWER POLE NUMBER 53 HV1601'WHICH IS BRACED BY A GUY WIRE, 1.0 FOOT NORTHWEST OF A METAL HV1601'WITNESS POST, ABOUT 1 FOOT BELOW THE LEVEL OF THE HIGHWAY, AND ON HV1601'THE TOP OF A 4-FOOT SECTION OF COPPER COATED ROD THAT IS ATTACHED HV1601'TO A METAL BASE PLATE. THE DISK IS LEVEL WITH THE SURFACE OF THE HV1601'GROUND AND IS PROTECTED BY A 6-INCH TERRA-COTTA PIPE WHICH HV1601'PROJECTS 1 INCH. HV1601 HV1601 STATION RECOVERY (2002) HV1601 HV1601'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV1601'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV9730 *********************************************************************** HV9730 FBN - This is a Federal Base Network Control Station. HV9730 DESIGNATION - SMC 121 HV9730 PID - HV9730 HV9730 STATE/COUNTY- MD/CHARLES HV9730 USGS QUAD - HUGHESVILLE (1985) HV9730 HV9730 *CURRENT SURVEY CONTROL HV9730 ___________________________________________________________________ HV9730* NAD 83(1991)- 38 31 55.45927(N) 076 47 21.77144(W) ADJUSTED HV9730* NAVD 88 - 53.490 (meters) 175.49 (feet) ADJUSTED HV9730 ___________________________________________________________________ HV9730 X - 1,141,712.235 (meters) COMP HV9730 Y - -4,863,660.138 (meters) COMP HV9730 Z - 3,951,827.502 (meters) COMP HV9730 LAPLACE CORR- -3.13 (seconds) DEFLEC99 HV9730 ELLIP HEIGHT- 20.05 (meters) (02/12/02) GPS OBS HV9730 GEOID HEIGHT- -33.38 (meters) GEOID99 HV9730 DYNAMIC HT - 53.457 (meters) 175.38 (feet) COMP HV9730 MODELED GRAV- 980,020.1 (mgal) NAVD 88 HV9730 HV9730 HORZ ORDER - A HV9730 VERT ORDER - SECOND CLASS I HV9730 ELLP ORDER - FOURTH CLASS I HV9730 HV9730.The horizontal coordinates were established by GPS observations HV9730.and adjusted by the National Geodetic Survey in February 2002. HV9730 HV9730.The orthometric height was determined by differential leveling HV9730.and adjusted by the National Geodetic Survey in November 2003. HV9730.No vertical observational check was made to the station. HV9730 HV9730.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9730 HV9730.The Laplace correction was computed from DEFLEC99 derived deflections. HV9730 HV9730.The ellipsoidal height was determined by GPS observations HV9730.and is referenced to NAD 83. HV9730 HV9730.The geoid height was determined by GEOID99. HV9730 HV9730.The dynamic height is computed by dividing the NAVD 88 HV9730.geopotential number by the normal gravity value computed on the HV9730.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV9730.degrees latitude (g = 980.6199 gals.). HV9730 HV9730.The modeled gravity was interpolated from observed gravity values. HV9730 HV9730; North East Units Scale Converg. HV9730;SPC MD - 96,084.596 418,364.123 MT 0.99996774 +0 07 55.9 HV9730;SPC MD - 315,237.55 1,372,582.96 sFT 0.99996774 +0 07 55.9 HV9730;UTM 18 - 4,266,369.655 344,033.262 MT 0.99989957 -1 06 53.7 HV9730 HV9730 SUPERSEDED SURVEY CONTROL HV9730 HV9730 NAD 83(1991)- 38 31 55.45820(N) 076 47 21.77085(W) AD( ) 1 HV9730 ELLIP H (05/28/98) 20.16 (m) GP( ) 3 1 HV9730 NAD 83(1991)- 38 31 55.45819(N) 076 47 21.77068(W) AD( ) 1 HV9730 ELLIP H (11/16/93) 20.13 (m) GP( ) 3 1 HV9730 HV9730.Superseded values are not recommended for survey control. HV9730.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9730.See file dsdata.txt to determine how the superseded data were derived. HV9730 HV9730_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH4403366370(NAD 83) HV9730_MARKER: DD = SURVEY DISK HV9730_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9730_STAMPING: SMC 121 1992 HV9730_MARK LOGO: MCCRON HV9730_MAGNETIC: O = OTHER; SEE DESCRIPTION HV9730_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9730+STABILITY: SURFACE MOTION HV9730_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9730+SATELLITE: SATELLITE OBSERVATIONS - March 20, 2002 HV9730 HV9730 HISTORY - Date Condition Report By HV9730 HISTORY - 1992 MONUMENTED MCCRON HV9730 HISTORY - 20000405 GOOD MDSHA HV9730 HISTORY - 20020320 GOOD MDSHA HV9730 HV9730 STATION DESCRIPTION HV9730 HV9730'DESCRIBED BY J R MCCRONE JR INCORPORATED 1992 HV9730'STATION IS LOCATED ABOUT 6.5 MI (10.5 KM) NORTH OF MECHANICSVILLE AT HV9730'HUGHESVILLE ON THE PROPERTY OF THE SOUTHERN MARYLAND ELECTRIC HV9730'COOPERATIVE INC. IN CHARLES COUNTY. HV9730'TO REACH FROM THE INTERSECTION OF ROUTES 5 AND 6, GO NORTH ON ROUTE 5 HV9730'FOR 4.5 MI (7.2 KM) TO ROUTE 231. TURN LEFT ON ROUTE 231 FOR 0.35 MI HV9730'(0.56 KM) TO THE SOUTHERN ENTRANCE ROAD TO THE ELECTRIC COOPERATIVE HV9730'PROPERTY AND THE STATION ON LEFT. HV9730'STATION MARK IS SET IN THE TOP OF A 0.83 FT (0.25 M) DIAMETER CONCRETE HV9730'MONUMENT SET FLUSH WITH THE GROUND. STATION IS 169 FT (51.5 M) WEST HV9730'OF AN UNNUMBERED POWER POLE ON THE SOUTH SIDE OF ROUTE 321, 74 FT HV9730'(22.6 M) EAST OF AN UNNUMBERED POWER POLE ON THE WEST SIDE OF THE HV9730'ENTRANCE ROAD, 56.7 FT (17.3 M) SOUTHEAST OF TELEPHONE POLE NO.9.5 ON HV9730'THE NORTH SIDE OF ROUTE 231, 13.4 FT (4.1 M) NORTHWEST OF A LIGHT HV9730'POLE NO.20, AND 9 FT (2.7 M) NORTH OF THE WEST END OF THE ELELCTRIC HV9730'COOPERATIVE INC. SIGN. HV9730 HV9730 STATION RECOVERY (2000) HV9730 HV9730'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) HV9730'RECOVERED AS DESCRIBED. HV9730 HV9730 STATION RECOVERY (2002) HV9730 HV9730'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV9730'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV1602 *********************************************************************** HV1602 DESIGNATION - T 134 HV1602 PID - HV1602 HV1602 STATE/COUNTY- MD/CHARLES HV1602 USGS QUAD - BENEDICT (1983) HV1602 HV1602 *CURRENT SURVEY CONTROL HV1602 ___________________________________________________________________ HV1602* NAD 83(1986)- 38 31 20. (N) 076 43 32. (W) SCALED HV1602* NAVD 88 - 43.382 (meters) 142.33 (feet) ADJUSTED HV1602 ___________________________________________________________________ HV1602 GEOID HEIGHT- -33.50 (meters) GEOID99 HV1602 DYNAMIC HT - 43.356 (meters) 142.24 (feet) COMP HV1602 MODELED GRAV- 980,027.5 (mgal) NAVD 88 HV1602 HV1602 VERT ORDER - FIRST CLASS I HV1602 HV1602.The horizontal coordinates were scaled from a topographic map and have HV1602.an estimated accuracy of +/- 6 seconds. HV1602 HV1602.The orthometric height was determined by differential leveling HV1602.and adjusted by the National Geodetic Survey in June 1991. HV1602 HV1602.The geoid height was determined by GEOID99. HV1602 HV1602.The dynamic height is computed by dividing the NAVD 88 HV1602.geopotential number by the normal gravity value computed on the HV1602.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV1602.degrees latitude (g = 980.6199 gals.). HV1602 HV1602.The modeled gravity was interpolated from observed gravity values. HV1602 HV1602; North East Units Estimated Accuracy HV1602;SPC MD - 95,010. 423,930. MT (+/- 180 meters Scaled) HV1602 HV1602 SUPERSEDED SURVEY CONTROL HV1602 HV1602 NGVD 29 (??/??/??) 43.648 (m) 143.20 (f) ADJUSTED 1 1 HV1602 HV1602.Superseded values are not recommended for survey control. HV1602.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1602.See file dsdata.txt to determine how the superseded data were derived. HV1602 HV1602_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH495651(NAD 83) HV1602_MARKER: DV = VERTICAL CONTROL DISK HV1602_SETTING: 36 = POWER LINE BASE HV1602_STAMPING: T 134 1971 HV1602_MARK LOGO: NGS HV1602_MAGNETIC: O = OTHER; SEE DESCRIPTION HV1602_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV1602 HV1602 HISTORY - Date Condition Report By HV1602 HISTORY - 1971 MONUMENTED NGS HV1602 HISTORY - 20020329 GOOD MDSHA HV1602 HV1602 STATION DESCRIPTION HV1602 HV1602'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV1602'2.7 MI W FROM BENEDICT. HV1602'ABOUT 0.1 MILE NORTHWEST ALONG BENEDICT AVENUE FROM THE ST. HV1602'FRANCIS CHURCH AT BENEDICT, THENCE 2.6 MILES WEST ALONG STATE HV1602'HIGHWAY 231, ABOUT 0.2 MILE SOUTHEAST OF THE JUNCTION OF BUCKTOWN HV1602'ROAD, 169 FEET NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, SET HV1602'IN THE TOP OF THE SOUTH SIDE OF THE MOST SOUTHERLY CONCRETE HV1602'FOUNDATION FOR POWER LINE TOWER NUMBER PEP CO 941. E - CKT 23072, HV1602'1 1/2 FEET ABOVE THE SURFACE OF THE GROUND, AND ABOUT 18 FEET HV1602'ABOVE THE LEVEL OF THE HIGHWAY. NOTE-- THIS MARK IS ALSO ABOUT HV1602'2.15 MILES SOUTHEAST ALONG STATE HIGHWAYS 231 AND 381 FROM THE HV1602'INTERSECTION OF STATE HIGHWAY 5 AT HUGHESVILLE, THENCE ABOUT 1.75 HV1602'MILES SOUTHEAST ALONG STATE HIGHWAY 231. HV1602 HV1602 STATION RECOVERY (2002) HV1602 HV1602'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV1602'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HV0992 *********************************************************************** HV0992 DESIGNATION - WO 30 RESET HV0992 PID - HV0992 HV0992 STATE/COUNTY- MD/CHARLES HV0992 USGS QUAD - HUGHESVILLE (1985) HV0992 HV0992 *CURRENT SURVEY CONTROL HV0992 ___________________________________________________________________ HV0992* NAD 83(1986)- 38 31 16. (N) 076 46 36. (W) SCALED HV0992* NAVD 88 - 52.13 (meters) 171.0 (feet) RESET HV0992 ___________________________________________________________________ HV0992 GEOID HEIGHT- -33.42 (meters) GEOID99 HV0992 HV0992 VERT ORDER - THIRD HV0992 HV0992.The horizontal coordinates were scaled from a topographic map and have HV0992.an estimated accuracy of +/- 6 seconds. HV0992 HV0992.The orthometric height was computed from unverified reset data. HV0992 HV0992.The geoid height was determined by GEOID99. HV0992 HV0992; North East Units Estimated Accuracy HV0992;SPC MD - 94,870. 419,480. MT (+/- 180 meters Scaled) HV0992 HV0992 SUPERSEDED SURVEY CONTROL HV0992 HV0992 NGVD 29 (??/??/??) 52.40 (m) 171.9 (f) RESET 3 HV0992 HV0992.Superseded values are not recommended for survey control. HV0992.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0992.See file dsdata.txt to determine how the superseded data were derived. HV0992 HV0992_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH451651(NAD 83) HV0992_MARKER: DB = BENCH MARK DISK HV0992_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0992_STAMPING: USGS WO-30 RESET 1966 HV0992_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0992+STABILITY: SURFACE MOTION HV0992 HV0992 HISTORY - Date Condition Report By HV0992 HISTORY - 1966 MONUMENTED MDSRC HV0992 HISTORY - 20020607 MARK NOT FOUND MDSHA HV0992 HV0992 STATION DESCRIPTION HV0992 HV0992'DESCRIBED BY MD STATE ROADS COMM 1966 HV0992'1 MI S FROM HUGHESVILLE. HV0992'ABOUT 1.0 MILE SOUTH OF THE HUGHESVILLE POST OFFICE ALONG MD. 5 AT HV0992'THE JUNCTION OF CARRICO MILL ROAD, 97.0 FT. S. OF THE CENTERLINE HV0992'OF CARRICO MILL ROAD, 33.0 FT. W. OF THE CENTERLINE OF OLD MD. HV0992'5, 52.2 FT. W. OF M.L. AND P. POLE NO. 24, 24.8 FT. E. OF (NAIL HV0992'AND CAP) A 24 INCH WHITE OAK TREE, AND 5.7 FT. S. OF A (NAIL HV0992'AND CAP) A 11 INCH WHITE OAK TREE AND SET IN THE TOP OF A CONCRETE HV0992'POST PROJECTING 10 INCHES. HV0992 HV0992 STATION RECOVERY (2002) HV0992 HV0992'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2002 (SFK) HV0992'THE STATION WAS SEARCHED FOR AND NOT RECOVERED.