1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 AJ7998 *********************************************************************** AJ7998 CBN - This is a Cooperative Base Network Control Station. AJ7998 DESIGNATION - GIRDLE AJ7998 PID - AJ7998 AJ7998 STATE/COUNTY- MD/WORCESTER AJ7998 USGS QUAD - GIRDLETREE (1981) AJ7998 AJ7998 *CURRENT SURVEY CONTROL AJ7998 ___________________________________________________________________ AJ7998* NAD 83(1991)- 38 06 46.20561(N) 075 23 26.92891(W) ADJUSTED AJ7998* NAVD 88 - 11.403 (meters) 37.41 (feet) ADJUSTED AJ7998 ___________________________________________________________________ AJ7998 X - 1,267,349.793 (meters) COMP AJ7998 Y - -4,862,234.748 (meters) COMP AJ7998 Z - 3,915,290.390 (meters) COMP AJ7998 LAPLACE CORR- -0.69 (seconds) DEFLEC99 AJ7998 ELLIP HEIGHT- -24.85 (meters) (02/12/02) GPS OBS AJ7998 GEOID HEIGHT- -36.27 (meters) GEOID99 AJ7998 DYNAMIC HT - 11.395 (meters) 37.39 (feet) COMP AJ7998 MODELED GRAV- 979,977.3 (mgal) NAVD 88 AJ7998 AJ7998 HORZ ORDER - A AJ7998 VERT ORDER - SECOND CLASS I AJ7998 ELLP ORDER - FOURTH CLASS I AJ7998 AJ7998.The horizontal coordinates were established by GPS observations AJ7998.and adjusted by the National Geodetic Survey in February 2002. AJ7998 AJ7998.The orthometric height was determined by differential leveling AJ7998.and adjusted by the National Geodetic Survey in November 2003. AJ7998 AJ7998.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ7998 AJ7998.The Laplace correction was computed from DEFLEC99 derived deflections. AJ7998 AJ7998.The ellipsoidal height was determined by GPS observations AJ7998.and is referenced to NAD 83. AJ7998 AJ7998.The geoid height was determined by GEOID99. AJ7998 AJ7998.The dynamic height is computed by dividing the NAVD 88 AJ7998.geopotential number by the normal gravity value computed on the AJ7998.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AJ7998.degrees latitude (g = 980.6199 gals.). AJ7998 AJ7998.The modeled gravity was interpolated from observed gravity values. AJ7998 AJ7998; North East Units Scale Converg. AJ7998;SPC MD - 50,770.908 541,119.998 MT 1.00003783 +1 00 35.9 AJ7998;SPC MD - 166,570.89 1,775,324.53 sFT 1.00003783 +1 00 35.9 AJ7998;UTM 18 - 4,218,406.523 465,740.188 MT 0.99961446 -0 14 28.4 AJ7998 AJ7998 SUPERSEDED SURVEY CONTROL AJ7998 AJ7998.No superseded survey control is available for this station. AJ7998 AJ7998_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVH6574018407(NAD 83) AJ7998_MARKER: DD = SURVEY DISK AJ7998_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AJ7998_STAMPING: GIRDLE 2000 AJ7998_MARK LOGO: MDSHA AJ7998_MAGNETIC: O = OTHER; SEE DESCRIPTION AJ7998_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AJ7998+STABILITY: SURFACE MOTION AJ7998_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ7998+SATELLITE: SATELLITE OBSERVATIONS - April 19, 2001 AJ7998 AJ7998 HISTORY - Date Condition Report By AJ7998 HISTORY - 2000 MONUMENTED MDSHA AJ7998 HISTORY - 20010419 GOOD MDSHA AJ7998 AJ7998 STATION DESCRIPTION AJ7998 AJ7998'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) AJ7998'THE STATION IS LOCATED ABOUT 1.5 NORTH OF GIRDLETREE, 4.7 MILES (7.6 AJ7998'KM) SOUTH OF SNOW HILL, AND 10.0 MILES (16.1 KM) EAST OF POCOMOKE AJ7998'CITY. TO REACH THE STATION FROM THE COURTHOUSE IN SNOW HILL GO AJ7998'SOUTHWEST ALONG STATE HIGHWAY 12 FOR 0.15 MILES. (0.24 KM) TURN LEFT AJ7998'AND GO SOUTH ALONG STATE HIGHWAY 12 FOR 4.7 MILES (7.6 KM) TO THE COOL AJ7998'SPRING UNITED METHODIST CHURCH AND THE STATION ON THE LEFT. NOTE= THE AJ7998'STATION IS ALSO 1.45 MILES (2.33 KM) NORTH ALONG STATE HIGHWAY 12 FROM AJ7998'THE POST OFFICE IN GIRDLETREE. THE STATION IS A MARYLAND STATE AJ7998'HIGHWAY SURVEY DISK SET IN THE TOP OF A 12 INCH ROUND CONCRETE AJ7998'MONUMENT WHICH IS FLUSH WITH THE GROUND. IT IS 116.5 FEET (35.5 M) AJ7998'EAST OF THE CENTER OF THE HIGHWAY, 84.0 FEET (25.6 M) SOUTH OF THE AJ7998'MACADAM ENTRANCE TO THE CHURCH, 13.0 FEET (4.0 M) WEST-NORTHWEST OF AJ7998'THE CENTER OF OLD STATE HIGHWAY 12, 37.2 FEET (11.3 M) WEST OF THE AJ7998'SOUTHWEST CORNER OF THE WRIGHT HEADSTONE, 62.5 FEET (19.1 M) NORTH OF AJ7998'TELEPHONE POLE NUMBER 196, AND 62.0 FEET (18.9 M) NORTH OF A CARSONITE AJ7998'WITNESS POST AJ7998 AJ7998 STATION RECOVERY (2001) AJ7998 AJ7998'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) AJ7998'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 DF7484 *********************************************************************** DF7484 DESIGNATION - HALFWAY DF7484 PID - DF7484 DF7484 STATE/COUNTY- MD/WORCESTER DF7484 USGS QUAD - SALISBURY (1982) DF7484 DF7484 *CURRENT SURVEY CONTROL DF7484 ___________________________________________________________________ DF7484* NAD 83(1986)- 38 16 00. (N) 075 30 48. (W) SCALED DF7484* NAVD 88 - 13.867 (meters) 45.50 (feet) ADJUSTED DF7484 ___________________________________________________________________ DF7484 GEOID HEIGHT- -36.02 (meters) GEOID99 DF7484 DYNAMIC HT - 13.858 (meters) 45.47 (feet) COMP DF7484 MODELED GRAV- 979,994.8 (mgal) NAVD 88 DF7484 DF7484 VERT ORDER - SECOND CLASS I DF7484 DF7484.The horizontal coordinates were scaled from a topographic map and have DF7484.an estimated accuracy of +/- 6 seconds. DF7484 DF7484.The orthometric height was determined by differential leveling DF7484.and adjusted by the National Geodetic Survey in November 2003. DF7484 DF7484.The geoid height was determined by GEOID99. DF7484 DF7484.The dynamic height is computed by dividing the NAVD 88 DF7484.geopotential number by the normal gravity value computed on the DF7484.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DF7484.degrees latitude (g = 980.6199 gals.). DF7484 DF7484.The modeled gravity was interpolated from observed gravity values. DF7484 DF7484; North East Units Estimated Accuracy DF7484;SPC MD - 67,660. 530,100. MT (+/- 180 meters Scaled) DF7484 DF7484 SUPERSEDED SURVEY CONTROL DF7484 DF7484.No superseded survey control is available for this station. DF7484 DF7484_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVH550355(NAD 83) DF7484_MARKER: DH = HORIZONTAL CONTROL DISK DF7484_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DF7484_STAMPING: HALFWAY 1962 DF7484_MARK LOGO: MDBCSM DF7484_MAGNETIC: O = OTHER; SEE DESCRIPTION DF7484_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DF7484+STABILITY: SURFACE MOTION DF7484_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR DF7484+SATELLITE: SATELLITE OBSERVATIONS - April 11, 2001 DF7484 DF7484 HISTORY - Date Condition Report By DF7484 HISTORY - 1962 MONUMENTED MDBCSM DF7484 HISTORY - 20010411 GOOD MDSHA DF7484 DF7484 STATION DESCRIPTION DF7484 DF7484'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) DF7484'THE STATION IS LOCATED ABOUT 8.5 MILES (13.7 KM) NORTHWEST OF SNOW DF7484'HILL, 8.5 MILES (13.7 KM) SOUTHEAST OF SALISBURY. TO REACH THE DF7484'STATION FROM THE INTERSECTION OF U.S.HIGHWAY 50 AND U.S. BUSINESS DF7484'HIGHWAY 13, GO SOUTH ALONG U.S.BUSINESS HIGHWAY 13 FOR 0.13 MILES. DF7484'(0.21 KM) TURN LEFT AND GO EAST ALONG MAIN STREET FOR 0.13 MILES (0.21 DF7484'KM) TO STATE HIGHWAY 12. TURN RIGHT AND GO SOUTHEAST ALONG STATE DF7484'HIGHWAY 12 FOR 8.5 MILES (13.7 KM) TO SAINT LUKES ROAD AND THE STATION DF7484'ON THE RIGHT. THE STATION IS A MARYLAND CONTROL SURVEY DISK SET IN DF7484'THE TOP OF A 8 INCH (20 CM) ROUND CONCRETE MONUMENT WHICH IS FLUSH DF7484'WITH THE GROUND. IT IS 38.5 FEET (11.7 M) SOUTHWEST OF THE CENTER DF7484'LINE OF THE HIGHWAY, 34.0 FEET (10.4 M) SOUTHEAST OF THE CENTER OF DF7484'SAINT LUKES ROAD, 14.0 FEET (4.3 M) SOUTHEAST OF TELEPHONE POLE NUMBER DF7484'245, 1.7 FEET (0.5 M) NORTHEAST OF A CARSONITE WITNESS POST AND ABOUT DF7484'LEVEL WITH THE HIGHWAY. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 DF7485 *********************************************************************** DF7485 DESIGNATION - HALFWAY AZ MK DF7485 PID - DF7485 DF7485 STATE/COUNTY- MD/WORCESTER DF7485 USGS QUAD - SALISBURY (1982) DF7485 DF7485 *CURRENT SURVEY CONTROL DF7485 ___________________________________________________________________ DF7485* NAD 83(1986)- 38 15 55. (N) 075 30 54. (W) SCALED DF7485* NAVD 88 - 15.324 (meters) 50.28 (feet) ADJUSTED DF7485 ___________________________________________________________________ DF7485 GEOID HEIGHT- -36.02 (meters) GEOID99 DF7485 DYNAMIC HT - 15.315 (meters) 50.25 (feet) COMP DF7485 MODELED GRAV- 979,994.6 (mgal) NAVD 88 DF7485 DF7485 VERT ORDER - SECOND CLASS I DF7485 DF7485.The horizontal coordinates were scaled from a topographic map and have DF7485.an estimated accuracy of +/- 6 seconds. DF7485 DF7485.The orthometric height was determined by differential leveling DF7485.and adjusted by the National Geodetic Survey in November 2003. DF7485 DF7485.The geoid height was determined by GEOID99. DF7485 DF7485.The dynamic height is computed by dividing the NAVD 88 DF7485.geopotential number by the normal gravity value computed on the DF7485.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DF7485.degrees latitude (g = 980.6199 gals.). DF7485 DF7485.The modeled gravity was interpolated from observed gravity values. DF7485 DF7485; North East Units Estimated Accuracy DF7485;SPC MD - 67,510. 529,960. MT (+/- 180 meters Scaled) DF7485 DF7485 SUPERSEDED SURVEY CONTROL DF7485 DF7485.No superseded survey control is available for this station. DF7485 DF7485_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVH549353(NAD 83) DF7485_MARKER: DH = HORIZONTAL CONTROL DISK DF7485_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DF7485_STAMPING: HALFWAY AZ 1962 DF7485_MARK LOGO: MDBCSM DF7485_MAGNETIC: O = OTHER; SEE DESCRIPTION DF7485_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DF7485+STABILITY: SURFACE MOTION DF7485_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR DF7485+SATELLITE: SATELLITE OBSERVATIONS - April 11, 2001 DF7485 DF7485 HISTORY - Date Condition Report By DF7485 HISTORY - 1962 MONUMENTED MDBCSM DF7485 HISTORY - 20010411 GOOD MDSHA DF7485 DF7485 STATION DESCRIPTION DF7485 DF7485'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) DF7485'THE STATION IS LOCATED ABOUT 8.5 MILES (13.7 KM) NORTHWEST OF SNOW DF7485'HILL AND 8.5 MILES (13.7 KM) SOUTHEAST OF SALISBURY. TO REACH THE DF7485'STATION FROM THE INTERSECTION OF U.S.HIGHWAY 50 AND U.S. BUSINESS DF7485'HIGHWAY 13, GO SOUTH ALONG U.S. BUSINESS HIGHWAY 13 FOR 0.13 MILES. DF7485'(0.21 KM) TURN LEFT AND GO EAST ALONG MAIN STREET FOR 0.13 MILES (0.21 DF7485'KM) TO STATE HIGHWAY 12. TURN RIGHT AND GO SOUTHEAST ALONG STATE DF7485'HIGHWAY 12 FOR 8.5 MILES (13.7 KM) TO SAINT LUKES ROAD. TURN RIGHT DF7485'AND GO WEST ALONG SAINT LUKES ROAD FOR 0.15 MILES (0.24 KM) TO THE DF7485'STATION ON THE LEFT. THE STATION IS A MARYLAND CONTROL SURVEY DISK DF7485'SET IN THE TOP OF A 8 INCH (20 CM) ROUND CONCRETE MONUMENT WHICH DF7485'PROJECTS ABOUT 3 INCHES. IT IS 27.6 FEET (8.4 M) SOUTH OF THE CENTER DF7485'OF THE ROAD, 8.2 FEET (2.5 M) SOUTHEAST OF TELEPHONE POLE NUMBER 3, DF7485'146.2 FEET (44.6 M) NORTHEAST OF THE NORTHEAST CORNER OF HOUSE NUMBER DF7485'2410, 1.8 FEET (0.5 M) NORTH OF A CARSONITE WITNESS POST AND ABOUT 2 DF7485'FEET (0.6 M) HIGHER THAN THE ROAD. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 AJ7999 *********************************************************************** AJ7999 CBN - This is a Cooperative Base Network Control Station. AJ7999 DESIGNATION - LUKE AJ7999 PID - AJ7999 AJ7999 STATE/COUNTY- MD/WORCESTER AJ7999 USGS QUAD - SALISBURY (1982) AJ7999 AJ7999 *CURRENT SURVEY CONTROL AJ7999 ___________________________________________________________________ AJ7999* NAD 83(1991)- 38 16 26.39887(N) 075 31 15.84719(W) ADJUSTED AJ7999* NAVD 88 - 13.912 (meters) 45.64 (feet) ADJUSTED AJ7999 ___________________________________________________________________ AJ7999 X - 1,253,527.789 (meters) COMP AJ7999 Y - -4,854,395.523 (meters) COMP AJ7999 Z - 3,929,351.759 (meters) COMP AJ7999 LAPLACE CORR- -1.30 (seconds) DEFLEC99 AJ7999 ELLIP HEIGHT- -22.08 (meters) (02/12/02) GPS OBS AJ7999 GEOID HEIGHT- -36.00 (meters) GEOID99 AJ7999 DYNAMIC HT - 13.903 (meters) 45.61 (feet) COMP AJ7999 MODELED GRAV- 979,995.6 (mgal) NAVD 88 AJ7999 AJ7999 HORZ ORDER - A AJ7999 VERT ORDER - SECOND CLASS I AJ7999 ELLP ORDER - FOURTH CLASS I AJ7999 AJ7999.The horizontal coordinates were established by GPS observations AJ7999.and adjusted by the National Geodetic Survey in February 2002. AJ7999 AJ7999.The orthometric height was determined by differential leveling AJ7999.and adjusted by the National Geodetic Survey in November 2003. AJ7999 AJ7999.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ7999 AJ7999.The Laplace correction was computed from DEFLEC99 derived deflections. AJ7999 AJ7999.The ellipsoidal height was determined by GPS observations AJ7999.and is referenced to NAD 83. AJ7999 AJ7999.The geoid height was determined by GEOID99. AJ7999 AJ7999.The dynamic height is computed by dividing the NAVD 88 AJ7999.geopotential number by the normal gravity value computed on the AJ7999.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AJ7999.degrees latitude (g = 980.6199 gals.). AJ7999 AJ7999.The modeled gravity was interpolated from observed gravity values. AJ7999 AJ7999; North East Units Scale Converg. AJ7999;SPC MD - 68,465.035 529,408.317 MT 1.00000463 +0 55 41.6 AJ7999;SPC MD - 224,622.37 1,736,900.45 sFT 1.00000463 +0 55 41.6 AJ7999;UTM 18 - 4,236,344.943 454,422.156 MT 0.99962558 -0 19 22.0 AJ7999 AJ7999 SUPERSEDED SURVEY CONTROL AJ7999 AJ7999.No superseded survey control is available for this station. AJ7999 AJ7999_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVH5442236345(NAD 83) AJ7999_MARKER: DD = SURVEY DISK AJ7999_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AJ7999_STAMPING: LUKE 2000 AJ7999_MARK LOGO: MDSHA AJ7999_MAGNETIC: O = OTHER; SEE DESCRIPTION AJ7999_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AJ7999+STABILITY: SURFACE MOTION AJ7999_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ7999+SATELLITE: SATELLITE OBSERVATIONS - April 10, 2001 AJ7999 AJ7999 HISTORY - Date Condition Report By AJ7999 HISTORY - 2000 MONUMENTED MDSHA AJ7999 HISTORY - 20010410 GOOD MDSHA AJ7999 AJ7999 STATION DESCRIPTION AJ7999 AJ7999'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) AJ7999'THE STATION IS LOCATED ABOUT 7.5 MILES (12.1 KM) SOUTHEAST OF AJ7999'SALISBURY, 9.8 MILES (15.8 KM) NORTHWEST OF SNOW HILL, AND 10.3 MILES AJ7999'(16.6 KM) NORTHEAST OF PRINCESS ANNE. TO REACH THE STATION FROM THE AJ7999'COURTHOUSE IN SNOW HILL, GO NORTHWEST ALONG STATE HIGHWAY 12 FOR 9.15 AJ7999'MILES (14.73 KM) TO SAINT LUKES ROAD LEADING SOUTHWEST. CONTINUE AJ7999'NORTHWEST ALONG STATE HIGHWAY 12 FOR 0.65 MILES (1.05 KM) TO A AJ7999'OVERHEAD HIGH TENSION POWER LINE AND THE STATION ON THE RIGHT. THE AJ7999'STATION IS A MARYLAND STATE HIGHWAY SURVEY DISK SET IN THE TOP OF A 12 AJ7999'INCH ROUND CONCRETE MONUMENT WHICH IS FLUSH WITH THE SURFACE OF THE AJ7999'GROUND. IT IS 38.7 FEET (11.8 M) NORTHEAST OF THE CENTERLINE OF THE AJ7999'HIGHWAY, 38.0 FEET (11.6 M) SOUTHEAST OF THE PROJECTED SOUTHEAST HIGH AJ7999'TENSION POLE LINE, 141.3 FEET (43.1 M) NORTHWEST OF TELEPHONE POLE AJ7999'NUMBER T-152, 152.3 FEET (46.4 M) SOUTHEAST OF THE NORTHEAST END OF A AJ7999'12 INCH CONCRETE PIPE RUNNING UNDER THE HIGHWAY, 1.3 FEET (0.4 M) AJ7999'SOUTHWEST OF A CARSONITE WITNESS POST AND LEVEL WITH THE SURFACE OF AJ7999'THE HIGHWAY. AJ7999 AJ7999 STATION RECOVERY (2001) AJ7999 AJ7999'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) AJ7999'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HU1161 *********************************************************************** HU1161 DESIGNATION - OC 3 HU1161 PID - HU1161 HU1161 STATE/COUNTY- MD/WORCESTER HU1161 USGS QUAD - OCEAN CITY (1972) HU1161 HU1161 *CURRENT SURVEY CONTROL HU1161 ___________________________________________________________________ HU1161* NAD 83(1986)- 38 22 14. (N) 075 04 15. (W) SCALED HU1161* NAVD 88 - 1.399 (meters) 4.59 (feet) ADJUSTED HU1161 ___________________________________________________________________ HU1161 GEOID HEIGHT- -35.96 (meters) GEOID99 HU1161 DYNAMIC HT - 1.398 (meters) 4.59 (feet) COMP HU1161 MODELED GRAV- 980,011.8 (mgal) NAVD 88 HU1161 HU1161 VERT ORDER - SECOND CLASS I HU1161 HU1161.The horizontal coordinates were scaled from a topographic map and have HU1161.an estimated accuracy of +/- 6 seconds. HU1161 HU1161.The orthometric height was determined by differential leveling HU1161.and adjusted by the National Geodetic Survey in November 2003. HU1161 HU1161.The geoid height was determined by GEOID99. HU1161 HU1161.The dynamic height is computed by dividing the NAVD 88 HU1161.geopotential number by the normal gravity value computed on the HU1161.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HU1161.degrees latitude (g = 980.6199 gals.). HU1161 HU1161.The modeled gravity was interpolated from observed gravity values. HU1161 HU1161; North East Units Estimated Accuracy HU1161;SPC MD - 79,920. 568,570. MT (+/- 180 meters Scaled) HU1161 HU1161 SUPERSEDED SURVEY CONTROL HU1161 HU1161 NAVD 88 (06/15/91) 1.407 (m) 4.62 (f) UNKNOWN 2 1 HU1161 NGVD 29 (??/??/??) 1.649 (m) 5.41 (f) ADJUSTED 2 1 HU1161 HU1161.Superseded values are not recommended for survey control. HU1161.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HU1161.See file dsdata.txt to determine how the superseded data were derived. HU1161 HU1161_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVH938469(NAD 83) HU1161_MARKER: DD = SURVEY DISK HU1161_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HU1161_STAMPING: OC 3 1977 HU1161_MARK LOGO: MDDT HU1161_MAGNETIC: O = OTHER; SEE DESCRIPTION HU1161_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HU1161+STABILITY: SURFACE MOTION HU1161_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HU1161+SATELLITE: SATELLITE OBSERVATIONS - May 02, 2001 HU1161 HU1161 HISTORY - Date Condition Report By HU1161 HISTORY - 1977 MONUMENTED MDDT HU1161 HISTORY - 20010502 GOOD MDSHA HU1161 HU1161 STATION DESCRIPTION HU1161 HU1161'DESCRIBED BY MARYLAND DEPARTMENT OF TRANSPORTATION 1977 HU1161'IN OCEAN CITY. HU1161'LOCATED 2.5 MI N ALONG MD RTE 528 (COASTAL HIGHWAY) FROM THE POST HU1161'OFFICE IN OCEAN CITY IN THE LAWN OF THE TRUCKERS AND SAVINGS BANK (N HU1161'OF 44TH ST), 63.4 W OF THE CENTERLINE OF MD RTE 528, 67.3 FT NE OF THE HU1161'NE CORNER OF THE BANK AND 34.7 FT SE OF THE SE CORNER OF THE BARDY HU1161'HALL APT BUILDING. ABOUT LEVEL WITH LAWN. HU1161 HU1161 STATION RECOVERY (2001) HU1161 HU1161'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) HU1161'THE STATION IS LOCATED 2.5 MILES (4.0 KM) NORTH ALONG STATE HIGHWAY HU1161'528 FROM THE POST OFFICE IN OCEAN CITY, IN THE NORHTEAST CORNER OF THE HU1161'LAWN OF THE BANK OF AMERICA, AT 44TH STREET. THE STATION IS A HU1161'MARYLAND BENCHMARK DISK SET OF THE TOP OF A ROUND CONCRETE MONUMENT HU1161'WHICH IS 3 INCH (8 CM) BELOW THE SURFACE OF THE GROUND. IT IS 63.4 HU1161'FEET (19.3 M) WEST OF THE CENTER LINE OF THE HIGHWAY, 67.3 FEET (20.5 HU1161'M) NORTHEAST OF THE NORTHEAST CORNER OF THE BANK, 27.4 FEET (8.4 M) HU1161'SOUTHWEST OF POWER POLE NUMBER 62002-9329, 34.7 FEET (10.6 M) HU1161'SOUTHEAST OF THE SOUTHEAST CORNER OF THE D.A.KOZMA BUILDING, 111.7 HU1161'FEET (34.0 M) NORTH OF A FIRE HYDRANT, AND ABOUT LEVEL WITH THE HU1161'HIGHWAY. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HU1162 *********************************************************************** HU1162 DESIGNATION - OC 4 HU1162 PID - HU1162 HU1162 STATE/COUNTY- MD/WORCESTER HU1162 USGS QUAD - ASSAWOMAN BAY (1992) HU1162 HU1162 *CURRENT SURVEY CONTROL HU1162 ___________________________________________________________________ HU1162* NAD 83(1986)- 38 22 43. (N) 075 04 06. (W) SCALED HU1162* NAVD 88 - 2.411 (meters) 7.91 (feet) ADJUSTED HU1162 ___________________________________________________________________ HU1162 GEOID HEIGHT- -35.95 (meters) GEOID99 HU1162 DYNAMIC HT - 2.410 (meters) 7.91 (feet) COMP HU1162 MODELED GRAV- 980,012.5 (mgal) NAVD 88 HU1162 HU1162 VERT ORDER - SECOND CLASS I HU1162 HU1162.The horizontal coordinates were scaled from a topographic map and have HU1162.an estimated accuracy of +/- 6 seconds. HU1162 HU1162.The orthometric height was determined by differential leveling HU1162.and adjusted by the National Geodetic Survey in November 2003. HU1162 HU1162.The geoid height was determined by GEOID99. HU1162 HU1162.The dynamic height is computed by dividing the NAVD 88 HU1162.geopotential number by the normal gravity value computed on the HU1162.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HU1162.degrees latitude (g = 980.6199 gals.). HU1162 HU1162.The modeled gravity was interpolated from observed gravity values. HU1162 HU1162; North East Units Estimated Accuracy HU1162;SPC MD - 80,820. 568,770. MT (+/- 180 meters Scaled) HU1162 HU1162 SUPERSEDED SURVEY CONTROL HU1162 HU1162 NAVD 88 (06/15/91) 2.406 (m) 7.89 (f) UNKNOWN 2 1 HU1162 NGVD 29 (??/??/??) 2.648 (m) 8.69 (f) ADJUSTED 2 1 HU1162 HU1162.Superseded values are not recommended for survey control. HU1162.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HU1162.See file dsdata.txt to determine how the superseded data were derived. HU1162 HU1162_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVH940478(NAD 83) HU1162_MARKER: DD = SURVEY DISK HU1162_SETTING: 35 = BASE HU1162_STAMPING: OC 4 1977 HU1162_MARK LOGO: MDDT HU1162_MAGNETIC: O = OTHER; SEE DESCRIPTION HU1162_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HU1162+STABILITY: SURFACE MOTION HU1162_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HU1162+SATELLITE: SATELLITE OBSERVATIONS - May 02, 2001 HU1162 HU1162 HISTORY - Date Condition Report By HU1162 HISTORY - 1977 MONUMENTED MDDT HU1162 HISTORY - 1988 GOOD USPSQD HU1162 HISTORY - 20010502 GOOD MDSHA HU1162 HU1162 STATION DESCRIPTION HU1162 HU1162'DESCRIBED BY MARYLAND DEPARTMENT OF TRANSPORTATION 1977 HU1162'IN OCEAN CITY. HU1162'LOCATED 3.05 MI N ALONG MD RTE 528 (COASTAL HIGHWAY) FROM THE POST HU1162'OFFICE IN OCEAN CITY, AT THE QUALITY INN AT 54TH ST, 69.1 FT E OF THE HU1162'CENTERLINE OF MD RTE 528 AND 31.4 FT N OF 54TH ST, SET IN A DRILL HU1162'HOLE, IN THE NW CORNER OF THE QUALITY INN SIGN BASE. .3 FEET ABOVE HU1162'GROUND. HU1162 HU1162 STATION RECOVERY (1988) HU1162 HU1162'RECOVERY NOTE BY US POWER SQUADRON 1988 (CAC) HU1162'RECOVERED IN GOOD CONDITION. HU1162 HU1162 STATION RECOVERY (2001) HU1162 HU1162'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) HU1162'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HU1256 *********************************************************************** HU1256 CBN - This is a Cooperative Base Network Control Station. HU1256 DESIGNATION - REEDY 2 AZ MK 3 HU1256 PID - HU1256 HU1256 STATE/COUNTY- MD/WORCESTER HU1256 USGS QUAD - ASSAWOMAN BAY (1992) HU1256 HU1256 *CURRENT SURVEY CONTROL HU1256 ___________________________________________________________________ HU1256* NAD 83(1991)- 38 23 10.70383(N) 075 04 27.89397(W) ADJUSTED HU1256* NAVD 88 - 3.007 (meters) 9.87 (feet) ADJUSTED HU1256 ___________________________________________________________________ HU1256 X - 1,289,338.572 (meters) COMP HU1256 Y - -4,836,997.240 (meters) COMP HU1256 Z - 3,939,124.217 (meters) COMP HU1256 LAPLACE CORR- -0.43 (seconds) DEFLEC99 HU1256 ELLIP HEIGHT- -32.96 (meters) (02/12/02) GPS OBS HU1256 GEOID HEIGHT- -35.94 (meters) GEOID99 HU1256 DYNAMIC HT - 3.005 (meters) 9.86 (feet) COMP HU1256 MODELED GRAV- 980,013.2 (mgal) NAVD 88 HU1256 HU1256 HORZ ORDER - A HU1256 VERT ORDER - SECOND CLASS I HU1256 ELLP ORDER - FOURTH CLASS I HU1256 HU1256.The horizontal coordinates were established by GPS observations HU1256.and adjusted by the National Geodetic Survey in February 2002. HU1256 HU1256.The orthometric height was determined by differential leveling HU1256.and adjusted by the National Geodetic Survey in November 2003. HU1256 HU1256.The X, Y, and Z were computed from the position and the ellipsoidal ht. HU1256 HU1256.The Laplace correction was computed from DEFLEC99 derived deflections. HU1256 HU1256.The ellipsoidal height was determined by GPS observations HU1256.and is referenced to NAD 83. HU1256 HU1256.The geoid height was determined by GEOID99. HU1256 HU1256.The dynamic height is computed by dividing the NAVD 88 HU1256.geopotential number by the normal gravity value computed on the HU1256.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HU1256.degrees latitude (g = 980.6199 gals.). HU1256 HU1256.The modeled gravity was interpolated from observed gravity values. HU1256 HU1256; North East Units Scale Converg. HU1256;SPC MD - 81,657.342 568,223.003 MT 0.99998611 +1 12 30.8 HU1256;SPC MD - 267,904.13 1,864,244.97 sFT 0.99998611 +1 12 30.8 HU1256;SPC DE - 42,935.331 229,902.323 MT 1.00000601 +0 12 45.1 HU1256;UTM 18 - 4,248,680.576 493,500.984 MT 0.99960052 -0 02 46.4 HU1256 HU1256 SUPERSEDED SURVEY CONTROL HU1256 HU1256 NAD 83(1991)- 38 23 10.70261(N) 075 04 27.89324(W) AD( ) 2 HU1256 NAD 83(1986)- 38 23 10.68448(N) 075 04 27.92009(W) AD( ) 2 HU1256 NGVD 29 (08/19/88) 3.4 (m) 11. (f) VERT ANG HU1256 HU1256.Superseded values are not recommended for survey control. HU1256.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HU1256.See file dsdata.txt to determine how the superseded data were derived. HU1256 HU1256_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVH9350148681(NAD 83) HU1256_MARKER: DZ = AZIMUTH MARK DISK HU1256_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HU1256_STAMPING: REEDY 2 1958 NO 3 1985 HU1256_MARK LOGO: NGS HU1256_MAGNETIC: O = OTHER; SEE DESCRIPTION HU1256_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HU1256+STABILITY: SURFACE MOTION HU1256_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HU1256+SATELLITE: SATELLITE OBSERVATIONS - May 02, 2001 HU1256 HU1256 HISTORY - Date Condition Report By HU1256 HISTORY - 1985 MONUMENTED NGS HU1256 HISTORY - 1986 GOOD MDSHA HU1256 HISTORY - 20000405 GOOD MDSHA HU1256 HISTORY - 20010502 GOOD MDSHA HU1256 HU1256 STATION DESCRIPTION HU1256 HU1256'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1986 (RGP) HU1256'THE DESIGNATED MARK WAS RECOVERED AS DESCRIBED. HU1256 HU1256 STATION RECOVERY (2000) HU1256 HU1256'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) HU1256'THE STATION IS LOCATED ON THE NORTH SIDE O STATE HIGHWAY 90 AT THE HU1256'NORTHEAST EDGE OF BRIDGE NUMBER 23021 OVER ASSAWOMAN BAY, WHICH IS HU1256'ABOUT 3.5 MILES (5.6 KM) NORTH FROM THE APPROXIMATE CENTER OF OCEAN HU1256'CITY. THE STATION IS A STANDARD NGS AZIMUTH MARK DISK SET IN THE TOP HU1256'OF A 12 INCH ROUND CONCRETE MONUMENT WHICH IS FLUSH WITH THE GROUND. HU1256'IT IS 27.3 FEET (8.3 M) NORTH OF THE CENTER LINE OF THE HIGHWAY, 10.5 HU1256'FEET (3.2 M) NORTHEAST OF THE NORTHEAST CORNER OF THE BRIDGE, 27.5 HU1256'FEET (8.4 M) EAST OF A NORTH-SOUTH BULKHEAD AND ABOUT LEVEL WITH THE HU1256'SURFACE OF THE HIGHWAY. HU1256 HU1256 STATION RECOVERY (2001) HU1256 HU1256'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) HU1256'RECOVERED AS DESCRIBED.