1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 EJ1473 *********************************************************************** EJ1473 DESIGNATION - E 24 EJ1473 PID - EJ1473 EJ1473 STATE/COUNTY- AR/MONTGOMERY EJ1473 USGS QUAD - MOUNT IDA (1986) EJ1473 EJ1473 *CURRENT SURVEY CONTROL EJ1473 ___________________________________________________________________ EJ1473* NAD 83(1986)- 34 33 26. (N) 093 37 55. (W) SCALED EJ1473* NAVD 88 - 202.194 (meters) 663.36 (feet) ADJUSTED EJ1473 ___________________________________________________________________ EJ1473 GEOID HEIGHT- -28.49 (meters) GEOID99 EJ1473 DYNAMIC HT - 201.990 (meters) 662.70 (feet) COMP EJ1473 MODELED GRAV- 979,622.5 (mgal) NAVD 88 EJ1473 EJ1473 VERT ORDER - SECOND CLASS 0 EJ1473 EJ1473.The horizontal coordinates were scaled from a topographic map and have EJ1473.an estimated accuracy of +/- 6 seconds. EJ1473 EJ1473.The orthometric height was determined by differential leveling EJ1473.and adjusted by the National Geodetic Survey in June 1991. EJ1473 EJ1473.The geoid height was determined by GEOID99. EJ1473 EJ1473.The dynamic height is computed by dividing the NAVD 88 EJ1473.geopotential number by the normal gravity value computed on the EJ1473.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 EJ1473.degrees latitude (g = 980.6199 gals.). EJ1473 EJ1473.The modeled gravity was interpolated from observed gravity values. EJ1473 EJ1473; North East Units Estimated Accuracy EJ1473;SPC AR S - 610,880. 250,240. MT (+/- 180 meters Scaled) EJ1473 EJ1473 SUPERSEDED SURVEY CONTROL EJ1473 EJ1473 NGVD 29 (??/??/92) 202.14 (m) 663.2 (f) COMPUTED 2 0 EJ1473 EJ1473.Superseded values are not recommended for survey control. EJ1473.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EJ1473.See file dsdata.txt to determine how the superseded data were derived. EJ1473 EJ1473_U.S. NATIONAL GRID SPATIAL ADDRESS: 15SVU420241(NAD 83) EJ1473_MARKER: DB = BENCH MARK DISK EJ1473_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT EJ1473_STAMPING: 663.188 E 24 1932 EJ1473_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO EJ1473+STABILITY: SURFACE MOTION EJ1473 EJ1473 HISTORY - Date Condition Report By EJ1473 HISTORY - 1932 MONUMENTED CGS EJ1473 HISTORY - 1961 GOOD NGS EJ1473 HISTORY - 20020425 GOOD ARHD EJ1473 EJ1473 STATION DESCRIPTION EJ1473 EJ1473'DESCRIBED BY NATIONAL GEODETIC SURVEY 1961 EJ1473'IN MOUNT IDA. EJ1473'AT MOUNT IDA, MONTGOMERY COUNTY, AT THE EAST PART OF THE COUNTY EJ1473'COURTHOUSE YARD, 62 FEET EAST OF THE EAST WALL OF THE COURTHOUSE, AND EJ1473'6 FEET NORTH OF A MAGNETIC STATION. EJ1473 EJ1473 STATION RECOVERY (2002) EJ1473 EJ1473'RECOVERY NOTE BY ARKANSAS HIGHWAY DEPARTMENT 2002 EJ1473'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 EJ2081 *********************************************************************** EJ2081 DESIGNATION - F 24 RESET EJ2081 PID - EJ2081 EJ2081 STATE/COUNTY- AR/MONTGOMERY EJ2081 USGS QUAD - MOUNT IDA (1986) EJ2081 EJ2081 *CURRENT SURVEY CONTROL EJ2081 ___________________________________________________________________ EJ2081* NAD 83(1986)- 34 34 47. (N) 093 39 41. (W) SCALED EJ2081* NAVD 88 - 217.73 (meters) 714.3 (feet) RESET EJ2081 ___________________________________________________________________ EJ2081 GEOID HEIGHT- -28.65 (meters) GEOID99 EJ2081 EJ2081 VERT ORDER - THIRD EJ2081 EJ2081.The horizontal coordinates were scaled from a topographic map and have EJ2081.an estimated accuracy of +/- 6 seconds. EJ2081 EJ2081.The orthometric height was computed from unverified reset data. EJ2081 EJ2081.The geoid height was determined by GEOID99. EJ2081 EJ2081; North East Units Estimated Accuracy EJ2081;SPC AR S - 613,420. 247,580. MT (+/- 180 meters Scaled) EJ2081 EJ2081 SUPERSEDED SURVEY CONTROL EJ2081 EJ2081 NGVD 29 (08/21/02) 217.67 (m) 714.1 (f) RESET 3 EJ2081 EJ2081.Superseded values are not recommended for survey control. EJ2081.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EJ2081.See file dsdata.txt to determine how the superseded data were derived. EJ2081 EJ2081_U.S. NATIONAL GRID SPATIAL ADDRESS: 15SVU393266(NAD 83) EJ2081_MARKER: DV = VERTICAL CONTROL DISK EJ2081_SETTING: 32 = HEADWALL EJ2081_STAMPING: F 24 RESET 1992 EJ2081_MARK LOGO: NGS EJ2081_MAGNETIC: N = NO MAGNETIC MATERIAL EJ2081_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO EJ2081+STABILITY: SURFACE MOTION EJ2081 EJ2081 HISTORY - Date Condition Report By EJ2081 HISTORY - 1992 MONUMENTED ARHD EJ2081 HISTORY - 20020425 GOOD ARHD EJ2081 EJ2081 STATION DESCRIPTION EJ2081 EJ2081'DESCRIBED BY ARKANSAS HIGHWAY DEPARTMENT 1992 EJ2081'1.87 MILES (3.01 KM) WEST OF THE JUNCTION OF HIGHWAY 27 AND HIGHWAY EJ2081'270 WEST OF MOUNT IDA OR 17.00 MILES (27.36 KM) EAST ALONG HIGHWAY EJ2081'270 FROM THE SCOTT COUNTY LINE, HORIZONTAL DISTANCE FROM CENTERLINE EJ2081'OF HIGHWAY IS 61.0 FEET, HORIZONTAL DISTANCE FROM CENTER OF 10 BY 5 EJ2081'R.C. BOX CULVERT INLET IS ZERO FEET, SET IN A CONCRETE HEADWALL. EJ2081 EJ2081 STATION RECOVERY (2002) EJ2081 EJ2081'RECOVERY NOTE BY ARKANSAS HIGHWAY DEPARTMENT 2002 EJ2081'MARK IS NORTH SIDE OF HIGHWAY.