1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0914 *********************************************************************** HV0914 DESIGNATION - CHISELED SQUARE USGS HV0914 PID - HV0914 HV0914 STATE/COUNTY- MD/CALVERT HV0914 USGS QUAD - LOWER MARLBORO (1979) HV0914 HV0914 *CURRENT SURVEY CONTROL HV0914 ___________________________________________________________________ HV0914* NAD 83(1986)- 38 44 57. (N) 076 39 43. (W) SCALED HV0914* NAVD 88 - 14.501 (meters) 47.58 (feet) ADJUSTED HV0914 ___________________________________________________________________ HV0914 GEOID HEIGHT- -33.25 (meters) GEOID99 HV0914 DYNAMIC HT - 14.492 (meters) 47.55 (feet) COMP HV0914 MODELED GRAV- 980,049.9 (mgal) NAVD 88 HV0914 HV0914 VERT ORDER - FIRST CLASS II HV0914 HV0914.The horizontal coordinates were scaled from a topographic map and have HV0914.an estimated accuracy of +/- 6 seconds. HV0914 HV0914.The orthometric height was determined by differential leveling HV0914.and adjusted by the National Geodetic Survey in June 1991. HV0914 HV0914.The geoid height was determined by GEOID99. HV0914 HV0914.The dynamic height is computed by dividing the NAVD 88 HV0914.geopotential number by the normal gravity value computed on the HV0914.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0914.degrees latitude (g = 980.6199 gals.). HV0914 HV0914.The modeled gravity was interpolated from observed gravity values. HV0914 HV0914; North East Units Estimated Accuracy HV0914;SPC MD - 120,220. 429,390. MT (+/- 180 meters Scaled) HV0914 HV0914 SUPERSEDED SURVEY CONTROL HV0914 HV0914 NGVD 29 - 14.795 (m) 48.54 (f) ADJUSTED 1 2 HV0914 HV0914.Superseded values are not recommended for survey control. HV0914.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0914.See file dsdata.txt to determine how the superseded data were derived. HV0914 HV0914_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH555902(NAD 83) HV0914_MARKER: Q = CHISELED SQUARE HV0914_SETTING: 36 = BRIDGE HV0914_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV0914 HV0914 HISTORY - Date Condition Report By HV0914 HISTORY - UNK MONUMENTED USGS HV0914 HISTORY - 1933 GOOD CGS HV0914 HISTORY - 1945 GOOD CGS HV0914 HISTORY - 20010331 MARK NOT FOUND NGS HV0914 HV0914 STATION DESCRIPTION HV0914 HV0914'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0914'3.2 MI S FROM BRISTOL. HV0914'IN CALVERT COUNTY, 3.2 MILES SOUTH ALONG STATE HIGHWAY 416 FROM HV0914'THE ROAD JUNCTION AT BRISTOL, ANNE ARUNDEL COUNTY, 1.9 MILES HV0914'NORTH OF DUNKIRK, AT A CONCRETE BRIDGE, AND ON THE TOP OF THE EAST HV0914'END OF THE NORTH ABUTMENT. A CHISELED SQUARE. HV0914 HV0914 STATION RECOVERY (1945) HV0914 HV0914'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0914'RECOVERED IN GOOD CONDITION. HV0914 HV0914 STATION RECOVERY (2001) HV0914 HV0914'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0914'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0918 *********************************************************************** HV0918 DESIGNATION - CHISELED SQUARE USGS HV0918 PID - HV0918 HV0918 STATE/COUNTY- MD/CALVERT HV0918 USGS QUAD - LOWER MARLBORO (1979) HV0918 HV0918 *CURRENT SURVEY CONTROL HV0918 ___________________________________________________________________ HV0918* NAD 83(1986)- 38 42 33. (N) 076 39 06. (W) SCALED HV0918* NAVD 88 - 4.929 (meters) 16.17 (feet) ADJUSTED HV0918 ___________________________________________________________________ HV0918 GEOID HEIGHT- -33.34 (meters) GEOID99 HV0918 DYNAMIC HT - 4.926 (meters) 16.16 (feet) COMP HV0918 MODELED GRAV- 980,049.4 (mgal) NAVD 88 HV0918 HV0918 VERT ORDER - FIRST CLASS II HV0918 HV0918.The horizontal coordinates were scaled from a topographic map and have HV0918.an estimated accuracy of +/- 6 seconds. HV0918 HV0918.The orthometric height was determined by differential leveling HV0918.and adjusted by the National Geodetic Survey in June 1991. HV0918 HV0918.The geoid height was determined by GEOID99. HV0918 HV0918.The dynamic height is computed by dividing the NAVD 88 HV0918.geopotential number by the normal gravity value computed on the HV0918.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0918.degrees latitude (g = 980.6199 gals.). HV0918 HV0918.The modeled gravity was interpolated from observed gravity values. HV0918 HV0918; North East Units Estimated Accuracy HV0918;SPC MD - 115,780. 430,300. MT (+/- 180 meters Scaled) HV0918 HV0918 SUPERSEDED SURVEY CONTROL HV0918 HV0918 NGVD 29 - 5.222 (m) 17.13 (f) ADJUSTED 1 2 HV0918 HV0918.Superseded values are not recommended for survey control. HV0918.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0918.See file dsdata.txt to determine how the superseded data were derived. HV0918 HV0918_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH563857(NAD 83) HV0918_MARKER: Q = CHISELED SQUARE HV0918_SETTING: 36 = BRIDGE HV0918_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV0918 HV0918 HISTORY - Date Condition Report By HV0918 HISTORY - UNK MONUMENTED USGS HV0918 HISTORY - 1933 GOOD CGS HV0918 HISTORY - 1945 GOOD CGS HV0918 HISTORY - 20010331 MARK NOT FOUND NGS HV0918 HV0918 STATION DESCRIPTION HV0918 HV0918'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0918'1 MI S FROM DUNKIRK. HV0918'1.0 MILE SOUTH ALONG STATE HIGHWAY 416 FROM THE ROAD JUNCTION HV0918'AT DUNKIRK, CALVERT COUNTY, AT A CONCRETE BRIDGE OVER HALL HV0918'CREEK, AND ON THE TOP OF THE EAST WING WALL OF THE NORTH HV0918'ABUTMENT. A CHISELED SQUARE. HV0918 HV0918 STATION RECOVERY (1945) HV0918 HV0918'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0918'RECOVERED IN GOOD CONDITION. HV0918 HV0918 STATION RECOVERY (2001) HV0918 HV0918'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0918'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0922 *********************************************************************** HV0922 DESIGNATION - CHISELED SQUARE USGS HV0922 PID - HV0922 HV0922 STATE/COUNTY- MD/CALVERT HV0922 USGS QUAD - LOWER MARLBORO (1979) HV0922 HV0922 *CURRENT SURVEY CONTROL HV0922 ___________________________________________________________________ HV0922* NAD 83(1986)- 38 40 43. (N) 076 37 43. (W) SCALED HV0922* NAVD 88 - 35.531 (meters) 116.57 (feet) ADJUSTED HV0922 ___________________________________________________________________ HV0922 GEOID HEIGHT- -33.43 (meters) GEOID99 HV0922 DYNAMIC HT - 35.510 (meters) 116.50 (feet) COMP HV0922 MODELED GRAV- 980,048.7 (mgal) NAVD 88 HV0922 HV0922 VERT ORDER - FIRST CLASS II HV0922 HV0922.The horizontal coordinates were scaled from a topographic map and have HV0922.an estimated accuracy of +/- 6 seconds. HV0922 HV0922.The orthometric height was determined by differential leveling HV0922.and adjusted by the National Geodetic Survey in June 1991. HV0922 HV0922.The geoid height was determined by GEOID99. HV0922 HV0922.The dynamic height is computed by dividing the NAVD 88 HV0922.geopotential number by the normal gravity value computed on the HV0922.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0922.degrees latitude (g = 980.6199 gals.). HV0922 HV0922.The modeled gravity was interpolated from observed gravity values. HV0922 HV0922; North East Units Estimated Accuracy HV0922;SPC MD - 112,400. 432,320. MT (+/- 180 meters Scaled) HV0922 HV0922 SUPERSEDED SURVEY CONTROL HV0922 HV0922 NGVD 29 - 35.822 (m) 117.53 (f) ADJUSTED 1 2 HV0922 HV0922.Superseded values are not recommended for survey control. HV0922.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0922.See file dsdata.txt to determine how the superseded data were derived. HV0922 HV0922_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH583823(NAD 83) HV0922_MARKER: Q = CHISELED SQUARE HV0922_SETTING: 30 = CULVERT HV0922_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV0922 HV0922 HISTORY - Date Condition Report By HV0922 HISTORY - UNK MONUMENTED USGS HV0922 HISTORY - 1933 GOOD CGS HV0922 HISTORY - 20010331 MARK NOT FOUND NGS HV0922 HV0922 STATION DESCRIPTION HV0922 HV0922'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0922'1 MI S FROM CHANEYVILLE. HV0922'1.0 MILE SOUTH ALONG STATE HIGHWAY 416 FROM THE SCHOOLHOUSE HV0922'AT CHANEYVILLE, CALVERT COUNTY, AT A CONCRETE CULVERT, AND ON THE HV0922'TOP OF THE WEST HEAD WALL. A CHISELED SQUARE. HV0922 HV0922 STATION RECOVERY (2001) HV0922 HV0922'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0922'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0924 *********************************************************************** HV0924 DESIGNATION - CHISELED SQUARE USGS HV0924 PID - HV0924 HV0924 STATE/COUNTY- MD/CALVERT HV0924 USGS QUAD - NORTH BEACH (1979) HV0924 HV0924 *CURRENT SURVEY CONTROL HV0924 ___________________________________________________________________ HV0924* NAD 83(1986)- 38 40 09. (N) 076 37 02. (W) SCALED HV0924* NAVD 88 - 21.839 (meters) 71.65 (feet) ADJUSTED HV0924 ___________________________________________________________________ HV0924 GEOID HEIGHT- -33.47 (meters) GEOID99 HV0924 DYNAMIC HT - 21.826 (meters) 71.61 (feet) COMP HV0924 MODELED GRAV- 980,048.0 (mgal) NAVD 88 HV0924 HV0924 VERT ORDER - FIRST CLASS II HV0924 HV0924.The horizontal coordinates were scaled from a topographic map and have HV0924.an estimated accuracy of +/- 6 seconds. HV0924 HV0924.The orthometric height was determined by differential leveling HV0924.and adjusted by the National Geodetic Survey in June 1991. HV0924 HV0924.The geoid height was determined by GEOID99. HV0924 HV0924.The dynamic height is computed by dividing the NAVD 88 HV0924.geopotential number by the normal gravity value computed on the HV0924.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0924.degrees latitude (g = 980.6199 gals.). HV0924 HV0924.The modeled gravity was interpolated from observed gravity values. HV0924 HV0924; North East Units Estimated Accuracy HV0924;SPC MD - 111,350. 433,310. MT (+/- 180 meters Scaled) HV0924 HV0924 SUPERSEDED SURVEY CONTROL HV0924 HV0924 NGVD 29 - 22.131 (m) 72.61 (f) ADJUSTED 1 2 HV0924 HV0924.Superseded values are not recommended for survey control. HV0924.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0924.See file dsdata.txt to determine how the superseded data were derived. HV0924 HV0924_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH593813(NAD 83) HV0924_MARKER: Q = CHISELED SQUARE HV0924_SETTING: 36 = BRIDGE HV0924_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV0924 HV0924 HISTORY - Date Condition Report By HV0924 HISTORY - UNK MONUMENTED USGS HV0924 HISTORY - 1933 GOOD CGS HV0924 HISTORY - 1945 GOOD CGS HV0924 HISTORY - 20010331 MARK NOT FOUND NGS HV0924 HV0924 STATION DESCRIPTION HV0924 HV0924'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0924'1.9 MI S FROM CHANEYVILLE. HV0924'1.9 MILES SOUTH ALONG STATE HIGHWAY 416 FROM THE SCHOOLHOUSE HV0924'AT CHANEYVILLE, CALVERT COUNTY, AT A CONCRETE BRIDGE, AND ON HV0924'THE TOP OF THE SOUTH WING WALL OF THE WEST ABUTMENT. A HV0924'CHISELED SQUARE. HV0924 HV0924 STATION RECOVERY (1945) HV0924 HV0924'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0924'RECOVERED IN GOOD CONDITION. HV0924 HV0924 STATION RECOVERY (2001) HV0924 HV0924'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0924'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0930 *********************************************************************** HV0930 DESIGNATION - CHISELED SQUARE USGS HV0930 PID - HV0930 HV0930 STATE/COUNTY- MD/CALVERT HV0930 USGS QUAD - NORTH BEACH (1979) HV0930 HV0930 *CURRENT SURVEY CONTROL HV0930 ___________________________________________________________________ HV0930* NAD 83(1986)- 38 38 39. (N) 076 36 20. (W) SCALED HV0930* NAVD 88 - 43.685 (meters) 143.32 (feet) ADJUSTED HV0930 ___________________________________________________________________ HV0930 GEOID HEIGHT- -33.54 (meters) GEOID99 HV0930 DYNAMIC HT - 43.659 (meters) 143.24 (feet) COMP HV0930 MODELED GRAV- 980,045.3 (mgal) NAVD 88 HV0930 HV0930 VERT ORDER - FIRST CLASS II HV0930 HV0930.The horizontal coordinates were scaled from a topographic map and have HV0930.an estimated accuracy of +/- 6 seconds. HV0930 HV0930.The orthometric height was determined by differential leveling HV0930.and adjusted by the National Geodetic Survey in June 1991. HV0930 HV0930.The geoid height was determined by GEOID99. HV0930 HV0930.The dynamic height is computed by dividing the NAVD 88 HV0930.geopotential number by the normal gravity value computed on the HV0930.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0930.degrees latitude (g = 980.6199 gals.). HV0930 HV0930.The modeled gravity was interpolated from observed gravity values. HV0930 HV0930; North East Units Estimated Accuracy HV0930;SPC MD - 108,580. 434,340. MT (+/- 180 meters Scaled) HV0930 HV0930 SUPERSEDED SURVEY CONTROL HV0930 HV0930 NGVD 29 - 43.975 (m) 144.27 (f) ADJUSTED 1 2 HV0930 HV0930.Superseded values are not recommended for survey control. HV0930.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0930.See file dsdata.txt to determine how the superseded data were derived. HV0930 HV0930_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH602785(NAD 83) HV0930_MARKER: Q = CHISELED SQUARE HV0930_SETTING: 30 = CULVERT HV0930_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV0930 HV0930 HISTORY - Date Condition Report By HV0930 HISTORY - UNK MONUMENTED USGS HV0930 HISTORY - 1933 GOOD CGS HV0930 HISTORY - 1945 GOOD CGS HV0930 HISTORY - 20010331 MARK NOT FOUND NGS HV0930 HV0930 STATION DESCRIPTION HV0930 HV0930'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0930'1.2 MI S FROM SUNDERLAND. HV0930'1.2 MILES SOUTH ALONG STATE HIGHWAY 2 FROM THE ROAD INTERSECTION HV0930'AT SUNDERLAND, CALVERT COUNTY, AT A CONCRETE CULVERT, AND ON HV0930'THE TOP OF THE EAST HEAD WALL. A CHISELED SQUARE. HV0930 HV0930 STATION RECOVERY (1945) HV0930 HV0930'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0930'RECOVERED IN GOOD CONDITION. HV0930 HV0930 STATION RECOVERY (2001) HV0930 HV0930'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0930'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0913 *********************************************************************** HV0913 DESIGNATION - S 36 HV0913 PID - HV0913 HV0913 STATE/COUNTY- MD/CALVERT HV0913 USGS QUAD - BRISTOL (1979) HV0913 HV0913 *CURRENT SURVEY CONTROL HV0913 ___________________________________________________________________ HV0913* NAD 83(1986)- 38 45 02. (N) 076 39 39. (W) SCALED HV0913* NAVD 88 - 21.683 (meters) 71.14 (feet) ADJUSTED HV0913 ___________________________________________________________________ HV0913 GEOID HEIGHT- -33.25 (meters) GEOID99 HV0913 DYNAMIC HT - 21.670 (meters) 71.10 (feet) COMP HV0913 MODELED GRAV- 980,049.9 (mgal) NAVD 88 HV0913 HV0913 VERT ORDER - FIRST CLASS II HV0913 HV0913.The horizontal coordinates were scaled from a topographic map and have HV0913.an estimated accuracy of +/- 6 seconds. HV0913 HV0913.The orthometric height was determined by differential leveling HV0913.and adjusted by the National Geodetic Survey in June 1991. HV0913 HV0913.The geoid height was determined by GEOID99. HV0913 HV0913.The dynamic height is computed by dividing the NAVD 88 HV0913.geopotential number by the normal gravity value computed on the HV0913.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0913.degrees latitude (g = 980.6199 gals.). HV0913 HV0913.The modeled gravity was interpolated from observed gravity values. HV0913 HV0913; North East Units Estimated Accuracy HV0913;SPC MD - 120,370. 429,480. MT (+/- 180 meters Scaled) HV0913 HV0913 SUPERSEDED SURVEY CONTROL HV0913 HV0913 NGVD 29 - 21.977 (m) 72.10 (f) ADJUSTED 1 2 HV0913 HV0913.Superseded values are not recommended for survey control. HV0913.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0913.See file dsdata.txt to determine how the superseded data were derived. HV0913 HV0913_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH556904(NAD 83) HV0913_MARKER: DB = BENCH MARK DISK HV0913_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0913_STAMPING: S 36 1941 HV0913_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0913+STABILITY: SURFACE MOTION HV0913 HV0913 HISTORY - Date Condition Report By HV0913 HISTORY - 1941 MONUMENTED CGS HV0913 HISTORY - 1945 GOOD CGS HV0913 HISTORY - 20010331 MARK NOT FOUND NGS HV0913 HV0913 STATION DESCRIPTION HV0913 HV0913'DESCRIBED BY COAST AND GEODETIC SURVEY 1941 HV0913'3.1 MI S FROM BRISTOL. HV0913'IN CALVERT COUNTY, 3.1 MILES SOUTH ALONG STATE HIGHWAY 416 HV0913'FROM THE ROAD JUNCTION AT BRISTOL, ANNE ARUNDEL COUNTY, AT THE HV0913'SOUTH END OF THE EAST GUARDRAIL, 32 FEET EAST OF THE CENTER LINE HV0913'OF THE HIGHWAY, AND 8 FEET NORTH OF A FARM-ROAD GATE. A STANDARD HV0913'DISK, STAMPED S 36 1941 AND SET IN THE TOP OF A CONCRETE POST HV0913'PROJECTING 8 INCHES ABOVE GROUND. HV0913 HV0913 STATION RECOVERY (1945) HV0913 HV0913'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0913'RECOVERED IN GOOD CONDITION. HV0913 HV0913 STATION RECOVERY (2001) HV0913 HV0913'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0913'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0915 *********************************************************************** HV0915 DESIGNATION - T 36 HV0915 PID - HV0915 HV0915 STATE/COUNTY- MD/CALVERT HV0915 USGS QUAD - LOWER MARLBORO (1979) HV0915 HV0915 *CURRENT SURVEY CONTROL HV0915 ___________________________________________________________________ HV0915* NAD 83(1986)- 38 44 07. (N) 076 39 32. (W) SCALED HV0915* NAVD 88 - 32.673 (meters) 107.19 (feet) ADJUSTED HV0915 ___________________________________________________________________ HV0915 GEOID HEIGHT- -33.28 (meters) GEOID99 HV0915 DYNAMIC HT - 32.654 (meters) 107.13 (feet) COMP HV0915 MODELED GRAV- 980,049.7 (mgal) NAVD 88 HV0915 HV0915 VERT ORDER - FIRST CLASS II HV0915 HV0915.The horizontal coordinates were scaled from a topographic map and have HV0915.an estimated accuracy of +/- 6 seconds. HV0915 HV0915.The orthometric height was determined by differential leveling HV0915.and adjusted by the National Geodetic Survey in June 1991. HV0915 HV0915.The geoid height was determined by GEOID99. HV0915 HV0915.The dynamic height is computed by dividing the NAVD 88 HV0915.geopotential number by the normal gravity value computed on the HV0915.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0915.degrees latitude (g = 980.6199 gals.). HV0915 HV0915.The modeled gravity was interpolated from observed gravity values. HV0915 HV0915; North East Units Estimated Accuracy HV0915;SPC MD - 118,680. 429,660. MT (+/- 180 meters Scaled) HV0915 HV0915 SUPERSEDED SURVEY CONTROL HV0915 HV0915 NGVD 29 - 32.966 (m) 108.16 (f) ADJUSTED 1 2 HV0915 HV0915.Superseded values are not recommended for survey control. HV0915.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0915.See file dsdata.txt to determine how the superseded data were derived. HV0915 HV0915_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH558887(NAD 83) HV0915_MARKER: DB = BENCH MARK DISK HV0915_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0915_STAMPING: T 36 1941 HV0915_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0915+STABILITY: SURFACE MOTION HV0915 HV0915 HISTORY - Date Condition Report By HV0915 HISTORY - 1941 MONUMENTED CGS HV0915 HISTORY - 20010331 MARK NOT FOUND NGS HV0915 HV0915 STATION DESCRIPTION HV0915 HV0915'DESCRIBED BY COAST AND GEODETIC SURVEY 1941 HV0915'0.9 MI N FROM DUNKIRK. HV0915'0.9 MILE NORTH ALONG STATE HIGHWAY 416 FROM THE ROAD JUNCTION HV0915'AT DUNKIRK, CALVERT COUNTY, 95 FEET SOUTH OF A CONCRETE BRIDGE HV0915'OVER A SMALL CREEK, AT THE JUNCTION OF A ROAD LEADING TO A HV0915'FARMHOUSE, 25 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 22 HV0915'FEET WEST OF THE CENTER LINE OF THE HIGHWAY, AND NEAR A WHITE HV0915'WOODEN WITNESS POST. A STANDARD DISK, STAMPED T 36 1941 AND SET HV0915'IN THE TOP OF A CONCRETE POST PROJECTING 4 INCHES ABOVE GROUND. HV0915 HV0915 STATION RECOVERY (2001) HV0915 HV0915'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0915'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0923 *********************************************************************** HV0923 DESIGNATION - V 36 HV0923 PID - HV0923 HV0923 STATE/COUNTY- MD/CALVERT HV0923 USGS QUAD - LOWER MARLBORO (1979) HV0923 HV0923 *CURRENT SURVEY CONTROL HV0923 ___________________________________________________________________ HV0923* NAD 83(1986)- 38 40 36. (N) 076 37 34. (W) SCALED HV0923* NAVD 88 - 38.252 (meters) 125.50 (feet) ADJUSTED HV0923 ___________________________________________________________________ HV0923 GEOID HEIGHT- -33.44 (meters) GEOID99 HV0923 DYNAMIC HT - 38.229 (meters) 125.42 (feet) COMP HV0923 MODELED GRAV- 980,048.6 (mgal) NAVD 88 HV0923 HV0923 VERT ORDER - FIRST CLASS II HV0923 HV0923.The horizontal coordinates were scaled from a topographic map and have HV0923.an estimated accuracy of +/- 6 seconds. HV0923 HV0923.The orthometric height was determined by differential leveling HV0923.and adjusted by the National Geodetic Survey in June 1991. HV0923 HV0923.The geoid height was determined by GEOID99. HV0923 HV0923.The dynamic height is computed by dividing the NAVD 88 HV0923.geopotential number by the normal gravity value computed on the HV0923.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0923.degrees latitude (g = 980.6199 gals.). HV0923 HV0923.The modeled gravity was interpolated from observed gravity values. HV0923 HV0923; North East Units Estimated Accuracy HV0923;SPC MD - 112,180. 432,530. MT (+/- 180 meters Scaled) HV0923 HV0923 SUPERSEDED SURVEY CONTROL HV0923 HV0923 NGVD 29 - 38.543 (m) 126.45 (f) ADJUSTED 1 2 HV0923 HV0923.Superseded values are not recommended for survey control. HV0923.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0923.See file dsdata.txt to determine how the superseded data were derived. HV0923 HV0923_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH585821(NAD 83) HV0923_MARKER: DB = BENCH MARK DISK HV0923_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0923_STAMPING: V 36 1941 HV0923_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0923+STABILITY: SURFACE MOTION HV0923 HV0923 HISTORY - Date Condition Report By HV0923 HISTORY - 1941 MONUMENTED CGS HV0923 HISTORY - 1945 GOOD CGS HV0923 HISTORY - 20010331 MARK NOT FOUND NGS HV0923 HV0923 STATION DESCRIPTION HV0923 HV0923'DESCRIBED BY COAST AND GEODETIC SURVEY 1941 HV0923'1.2 MI S FROM CHANEYVILLE. HV0923'1.2 MILES SOUTH ALONG STATE HIGHWAY 416 FROM THE SCHOOLHOUSE AT HV0923'CHANEYVILLE, CALVERT COUNTY, AT THE SOUTH END OF A DEEP CUT, AT HV0923'A ROAD JUNCTION, 23.7 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, HV0923'19 FEET NORTH OF THE CENTER LINE OF A FARM ROAD, AND AT A WHITE HV0923'WOODEN WITNESS POST. A STANDARD DISK, STAMPED V 36 1941 AND SET HV0923'IN THE TOP OF A CONCRETE POST. HV0923 HV0923 STATION RECOVERY (1945) HV0923 HV0923'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0923'RECOVERED IN GOOD CONDITION. HV0923 HV0923 STATION RECOVERY (2001) HV0923 HV0923'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0923'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0929 *********************************************************************** HV0929 DESIGNATION - W 36 RESET 1968 HV0929 PID - HV0929 HV0929 STATE/COUNTY- MD/CALVERT HV0929 USGS QUAD - NORTH BEACH (1979) HV0929 HV0929 *CURRENT SURVEY CONTROL HV0929 ___________________________________________________________________ HV0929* NAD 83(1986)- 38 38 54. (N) 076 36 21. (W) SCALED HV0929* NAVD 88 - 39.98 (meters) 131.2 (feet) RESET HV0929 ___________________________________________________________________ HV0929 GEOID HEIGHT- -33.53 (meters) GEOID99 HV0929 HV0929 VERT ORDER - THIRD HV0929 HV0929.The horizontal coordinates were scaled from a topographic map and have HV0929.an estimated accuracy of +/- 6 seconds. HV0929 HV0929.The orthometric height was computed from unverified reset data. HV0929 HV0929.The geoid height was determined by GEOID99. HV0929 HV0929; North East Units Estimated Accuracy HV0929;SPC MD - 109,040. 434,310. MT (+/- 180 meters Scaled) HV0929 HV0929 SUPERSEDED SURVEY CONTROL HV0929 HV0929 NGVD 29 - 40.28 (m) 132.2 (f) RESET 3 HV0929 HV0929.Superseded values are not recommended for survey control. HV0929.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0929.See file dsdata.txt to determine how the superseded data were derived. HV0929 HV0929_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH602789(NAD 83) HV0929_MARKER: DB = BENCH MARK DISK HV0929_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0929_STAMPING: W 36 RESET 1968 HV0929_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0929+STABILITY: SURFACE MOTION HV0929 HV0929 HISTORY - Date Condition Report By HV0929 HISTORY - 1968 MONUMENTED MDDT HV0929 HISTORY - 20010331 MARK NOT FOUND NGS HV0929 HV0929 STATION DESCRIPTION HV0929 HV0929'DESCRIBED BY MARYLAND DEPARTMENT OF TRANSPORTATION 1968 HV0929'0.8 MI S FROM SUNDERLAND. HV0929'ABOUT 0.85 MILE SOUTH ALONG STATE HIGHWAY 2 FROM THE JUNCTION OF HV0929'STATE HIGHWAY 4 AT SUNDERLAND, LOCATED IN THE GRASS MEDIAN, HV0929'83.2 FEET SOUTH OF THE CENTER LINE OF THE MEDIAN CROSS-OVER, HV0929'25.5 MILES EAST OF THE CENTER LINE OF THE SOUTHBOUND LANE, 3.8 HV0929'FEET NORTHEAST OF A METAL GUARD RAIL POST, SET IN THE TOP OF A HV0929'CONCRETE POST FLUSH WITH THE GROUND. HV0929 HV0929 STATION RECOVERY (2001) HV0929 HV0929'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0929'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0916 *********************************************************************** HV0916 DESIGNATION - WO 21 RM USGS HV0916 PID - HV0916 HV0916 STATE/COUNTY- MD/CALVERT HV0916 USGS QUAD - LOWER MARLBORO (1979) HV0916 HV0916 *CURRENT SURVEY CONTROL HV0916 ___________________________________________________________________ HV0916* NAD 83(1986)- 38 43 18. (N) 076 39 40. (W) SCALED HV0916* NAVD 88 - 45.134 (meters) 148.08 (feet) ADJUSTED HV0916 ___________________________________________________________________ HV0916 GEOID HEIGHT- -33.30 (meters) GEOID99 HV0916 DYNAMIC HT - 45.108 (meters) 147.99 (feet) COMP HV0916 MODELED GRAV- 980,049.5 (mgal) NAVD 88 HV0916 HV0916 VERT ORDER - FIRST CLASS II HV0916 HV0916.The horizontal coordinates were scaled from a topographic map and have HV0916.an estimated accuracy of +/- 6 seconds. HV0916 HV0916.The orthometric height was determined by differential leveling HV0916.and adjusted by the National Geodetic Survey in June 1991. HV0916 HV0916.The geoid height was determined by GEOID99. HV0916 HV0916.The dynamic height is computed by dividing the NAVD 88 HV0916.geopotential number by the normal gravity value computed on the HV0916.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0916.degrees latitude (g = 980.6199 gals.). HV0916 HV0916.The modeled gravity was interpolated from observed gravity values. HV0916 HV0916; North East Units Estimated Accuracy HV0916;SPC MD - 117,160. 429,470. MT (+/- 180 meters Scaled) HV0916 HV0916 SUPERSEDED SURVEY CONTROL HV0916 HV0916 NGVD 29 - 45.425 (m) 149.03 (f) ADJUSTED 1 2 HV0916 HV0916.Superseded values are not recommended for survey control. HV0916.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0916.See file dsdata.txt to determine how the superseded data were derived. HV0916 HV0916_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH555872(NAD 83) HV0916_MARKER: Q = CHISELED SQUARE HV0916_SETTING: 30 = CULVERT HV0916_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV0916 HV0916 HISTORY - Date Condition Report By HV0916 HISTORY - UNK MONUMENTED USGS HV0916 HISTORY - 1933 GOOD CGS HV0916 HISTORY - 20010331 MARK NOT FOUND NGS HV0916 HV0916 STATION DESCRIPTION HV0916 HV0916'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0916'AT DUNKIRK. HV0916'AT DUNKIRK, CALVERT COUNTY, ON STATE HIGHWAY 416, 310 FEET NORTH HV0916'OF UNITED STATES GEOLOGICAL SURVEY BENCH MARK WO 21 DESCRIBED HV0916'BELOW, ABOUT 300 FEET NORTH OF THE METHODIST CHURCH, AT A CULVERT, HV0916'AND ON THE TOP OF THE EAST HEAD WALL. A CHISELED SQUARE. HV0916 HV0916 STATION RECOVERY (2001) HV0916 HV0916'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0916'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0917 *********************************************************************** HV0917 DESIGNATION - WO 21 USGS HV0917 PID - HV0917 HV0917 STATE/COUNTY- MD/CALVERT HV0917 USGS QUAD - LOWER MARLBORO (1979) HV0917 HV0917 *CURRENT SURVEY CONTROL HV0917 ___________________________________________________________________ HV0917* NAD 83(1986)- 38 43 18. (N) 076 39 40. (W) SCALED HV0917* NAVD 88 - 46.105 (meters) 151.26 (feet) ADJUSTED HV0917 ___________________________________________________________________ HV0917 GEOID HEIGHT- -33.30 (meters) GEOID99 HV0917 DYNAMIC HT - 46.078 (meters) 151.17 (feet) COMP HV0917 MODELED GRAV- 980,049.5 (mgal) NAVD 88 HV0917 HV0917 VERT ORDER - FIRST CLASS II HV0917 HV0917.The horizontal coordinates were scaled from a topographic map and have HV0917.an estimated accuracy of +/- 6 seconds. HV0917 HV0917.The orthometric height was determined by differential leveling HV0917.and adjusted by the National Geodetic Survey in June 1991. HV0917 HV0917.The geoid height was determined by GEOID99. HV0917 HV0917.The dynamic height is computed by dividing the NAVD 88 HV0917.geopotential number by the normal gravity value computed on the HV0917.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0917.degrees latitude (g = 980.6199 gals.). HV0917 HV0917.The modeled gravity was interpolated from observed gravity values. HV0917 HV0917; North East Units Estimated Accuracy HV0917;SPC MD - 117,160. 429,470. MT (+/- 180 meters Scaled) HV0917 HV0917 SUPERSEDED SURVEY CONTROL HV0917 HV0917 NGVD 29 - 46.395 (m) 152.21 (f) ADJUSTED 1 2 HV0917 HV0917.Superseded values are not recommended for survey control. HV0917.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0917.See file dsdata.txt to determine how the superseded data were derived. HV0917 HV0917_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH555872(NAD 83) HV0917_MARKER: DD = SURVEY DISK HV0917_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0917_STAMPING: WO 21 1933 HV0917_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0917+STABILITY: SURFACE MOTION HV0917 HV0917 HISTORY - Date Condition Report By HV0917 HISTORY - 1933 MONUMENTED USGS HV0917 HISTORY - 1941 GOOD CGS HV0917 HISTORY - 1945 GOOD CGS HV0917 HISTORY - 20010331 MARK NOT FOUND NGS HV0917 HV0917 STATION DESCRIPTION HV0917 HV0917'DESCRIBED BY COAST AND GEODETIC SURVEY 1941 HV0917'AT DUNKIRK. HV0917'AT DUNKIRK, CALVERT COUNTY, ON STATE HIGHWAY 416, AT THE METHODIST HV0917'CHURCH, AT THE NORTHEAST CORNER OF THE CHURCHYARD, 41 FEET WEST HV0917'OF THE CENTER LINE OF THE HIGHWAY, AND 2 FEET SOUTH OF THE NORTH HV0917'PROPERTY LINE. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, HV0917'STAMPED WO 21 1933 AND SET IN THE TOP OF A CONCRETE POST FLUSH HV0917'WITH THE GROUND. HV0917 HV0917 STATION RECOVERY (1945) HV0917 HV0917'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0917'RECOVERED IN GOOD CONDITION. HV0917 HV0917 STATION RECOVERY (2001) HV0917 HV0917'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0917'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0920 *********************************************************************** HV0920 DESIGNATION - WO 22 RM USGS HV0920 PID - HV0920 HV0920 STATE/COUNTY- MD/CALVERT HV0920 USGS QUAD - LOWER MARLBORO (1979) HV0920 HV0920 *CURRENT SURVEY CONTROL HV0920 ___________________________________________________________________ HV0920* NAD 83(1986)- 38 41 29. (N) 076 38 23. (W) SCALED HV0920* NAVD 88 - 32.817 (meters) 107.67 (feet) ADJUSTED HV0920 ___________________________________________________________________ HV0920 GEOID HEIGHT- -33.39 (meters) GEOID99 HV0920 DYNAMIC HT - 32.798 (meters) 107.60 (feet) COMP HV0920 MODELED GRAV- 980,049.2 (mgal) NAVD 88 HV0920 HV0920 VERT ORDER - FIRST CLASS II HV0920 HV0920.The horizontal coordinates were scaled from a topographic map and have HV0920.an estimated accuracy of +/- 6 seconds. HV0920 HV0920.The orthometric height was determined by differential leveling HV0920.and adjusted by the National Geodetic Survey in June 1991. HV0920 HV0920.The geoid height was determined by GEOID99. HV0920 HV0920.The dynamic height is computed by dividing the NAVD 88 HV0920.geopotential number by the normal gravity value computed on the HV0920.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0920.degrees latitude (g = 980.6199 gals.). HV0920 HV0920.The modeled gravity was interpolated from observed gravity values. HV0920 HV0920; North East Units Estimated Accuracy HV0920;SPC MD - 113,810. 431,340. MT (+/- 180 meters Scaled) HV0920 HV0920 SUPERSEDED SURVEY CONTROL HV0920 HV0920 NGVD 29 - 33.109 (m) 108.63 (f) ADJUSTED 1 2 HV0920 HV0920.Superseded values are not recommended for survey control. HV0920.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0920.See file dsdata.txt to determine how the superseded data were derived. HV0920 HV0920_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH573838(NAD 83) HV0920_MARKER: Q = CHISELED SQUARE HV0920_SETTING: 30 = CULVERT HV0920_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV0920 HV0920 HISTORY - Date Condition Report By HV0920 HISTORY - UNK MONUMENTED USGS HV0920 HISTORY - 1933 GOOD CGS HV0920 HISTORY - 20010331 MARK NOT FOUND NGS HV0920 HV0920 STATION DESCRIPTION HV0920 HV0920'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0920'AT CHANEYVILLE. HV0920'AT CHANEYVILLE, CALVERT COUNTY, ON STATE HIGHWAY 416, 245 HV0920'FEET NORTH OF UNITED STATES GEOLOGICAL SURVEY BENCH MARK WO 22 HV0920'DESCRIBED BELOW, IN THE SOUTHWEST ANGLE OF A ROAD INTERSECTION, HV0920'AT A CONCRETE CULVERT, AND ON THE TOP OF THE WEST HEAD WALL. HV0920'A CHISELED SQUARE. HV0920 HV0920 STATION RECOVERY (2001) HV0920 HV0920'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0920'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0921 *********************************************************************** HV0921 DESIGNATION - WO 22 USGS HV0921 PID - HV0921 HV0921 STATE/COUNTY- MD/CALVERT HV0921 USGS QUAD - LOWER MARLBORO (1979) HV0921 HV0921 *CURRENT SURVEY CONTROL HV0921 ___________________________________________________________________ HV0921* NAD 83(1986)- 38 41 29. (N) 076 38 23. (W) SCALED HV0921* NAVD 88 - 35.679 (meters) 117.06 (feet) ADJUSTED HV0921 ___________________________________________________________________ HV0921 GEOID HEIGHT- -33.39 (meters) GEOID99 HV0921 DYNAMIC HT - 35.659 (meters) 116.99 (feet) COMP HV0921 MODELED GRAV- 980,049.2 (mgal) NAVD 88 HV0921 HV0921 VERT ORDER - FIRST CLASS II HV0921 HV0921.The horizontal coordinates were scaled from a topographic map and have HV0921.an estimated accuracy of +/- 6 seconds. HV0921 HV0921.The orthometric height was determined by differential leveling HV0921.and adjusted by the National Geodetic Survey in June 1991. HV0921 HV0921.The geoid height was determined by GEOID99. HV0921 HV0921.The dynamic height is computed by dividing the NAVD 88 HV0921.geopotential number by the normal gravity value computed on the HV0921.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0921.degrees latitude (g = 980.6199 gals.). HV0921 HV0921.The modeled gravity was interpolated from observed gravity values. HV0921 HV0921; North East Units Estimated Accuracy HV0921;SPC MD - 113,810. 431,340. MT (+/- 180 meters Scaled) HV0921 HV0921 SUPERSEDED SURVEY CONTROL HV0921 HV0921 NGVD 29 - 35.971 (m) 118.01 (f) ADJUSTED 1 2 HV0921 HV0921.Superseded values are not recommended for survey control. HV0921.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0921.See file dsdata.txt to determine how the superseded data were derived. HV0921 HV0921_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH573838(NAD 83) HV0921_MARKER: DD = SURVEY DISK HV0921_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0921_STAMPING: WO 22 1933 HV0921_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0921+STABILITY: SURFACE MOTION HV0921 HV0921 HISTORY - Date Condition Report By HV0921 HISTORY - 1933 MONUMENTED USGS HV0921 HISTORY - 1945 GOOD CGS HV0921 HISTORY - 20010331 MARK NOT FOUND NGS HV0921 HV0921 STATION DESCRIPTION HV0921 HV0921'DESCRIBED BY US GEOLOGICAL SURVEY 1933 HV0921'AT CHANEYVILLE. HV0921'AT CHANEYVILLE, CALVERT COUNTY, ON STATE HIGHWAY 416, AT THE HV0921'PUBLIC SCHOOL, IN THE SCHOOLYARD, 5 FEET EAST OF THE FLAGPOLE, HV0921'AND 56 FEET WEST OF THE CENTER LINE OF THE HIGHWAY. A UNITED HV0921'STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED WO 22 1933 AND HV0921'SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND. HV0921 HV0921 STATION RECOVERY (1945) HV0921 HV0921'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1945 HV0921'RECOVERED IN GOOD CONDITION. HV0921 HV0921 STATION RECOVERY (2001) HV0921 HV0921'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0921'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0925 *********************************************************************** HV0925 DESIGNATION - WO 23 RM USGS HV0925 PID - HV0925 HV0925 STATE/COUNTY- MD/CALVERT HV0925 USGS QUAD - NORTH BEACH (1979) HV0925 HV0925 *CURRENT SURVEY CONTROL HV0925 ___________________________________________________________________ HV0925* NAD 83(1986)- 38 39 46. (N) 076 36 29. (W) SCALED HV0925* NAVD 88 - 44.855 (meters) 147.16 (feet) ADJUSTED HV0925 ___________________________________________________________________ HV0925 GEOID HEIGHT- -33.50 (meters) GEOID99 HV0925 DYNAMIC HT - 44.829 (meters) 147.08 (feet) COMP HV0925 MODELED GRAV- 980,047.4 (mgal) NAVD 88 HV0925 HV0925 VERT ORDER - FIRST CLASS II HV0925 HV0925.The horizontal coordinates were scaled from a topographic map and have HV0925.an estimated accuracy of +/- 6 seconds. HV0925 HV0925.The orthometric height was determined by differential leveling HV0925.and adjusted by the National Geodetic Survey in June 1991. HV0925 HV0925.The geoid height was determined by GEOID99. HV0925 HV0925.The dynamic height is computed by dividing the NAVD 88 HV0925.geopotential number by the normal gravity value computed on the HV0925.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0925.degrees latitude (g = 980.6199 gals.). HV0925 HV0925.The modeled gravity was interpolated from observed gravity values. HV0925 HV0925; North East Units Estimated Accuracy HV0925;SPC MD - 110,650. 434,110. MT (+/- 180 meters Scaled) HV0925 HV0925 SUPERSEDED SURVEY CONTROL HV0925 HV0925 NGVD 29 - 45.146 (m) 148.12 (f) ADJUSTED 1 2 HV0925 HV0925.Superseded values are not recommended for survey control. HV0925.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0925.See file dsdata.txt to determine how the superseded data were derived. HV0925 HV0925_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH600805(NAD 83) HV0925_MARKER: Q = CHISELED SQUARE HV0925_SETTING: 30 = CULVERT HV0925_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV0925 HV0925 HISTORY - Date Condition Report By HV0925 HISTORY - UNK MONUMENTED USGS HV0925 HISTORY - 1933 GOOD CGS HV0925 HISTORY - 20010331 MARK NOT FOUND NGS HV0925 HV0925 STATION DESCRIPTION HV0925 HV0925'DESCRIBED BY COAST AND GEODETIC SURVEY 1933 HV0925'AT SUNDERLAND. HV0925'AT SUNDERLAND, CALVERT COUNTY, 770 FEET NORTH OF UNITED STATES HV0925'GEOLOGICAL SURVEY BENCH MARK WO 23 DESCRIBED BELOW, AT A HV0925'CONCRETE CULVERT, AND ON THE TOP OF THE EAST HEAD WALL. A HV0925'CHISELED SQUARE. HV0925 HV0925 STATION RECOVERY (2001) HV0925 HV0925'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0925'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. 1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 HV0927 *********************************************************************** HV0927 DESIGNATION - WO 23 USGS RESET 1962 HV0927 PID - HV0927 HV0927 STATE/COUNTY- MD/CALVERT HV0927 USGS QUAD - NORTH BEACH (1979) HV0927 HV0927 *CURRENT SURVEY CONTROL HV0927 ___________________________________________________________________ HV0927* NAD 83(1986)- 38 39 46. (N) 076 36 29. (W) SCALED HV0927* NAVD 88 - 49.55 (meters) 162.6 (feet) RESET HV0927 ___________________________________________________________________ HV0927 GEOID HEIGHT- -33.50 (meters) GEOID99 HV0927 HV0927 VERT ORDER - THIRD HV0927 HV0927.The horizontal coordinates were scaled from a topographic map and have HV0927.an estimated accuracy of +/- 6 seconds. HV0927 HV0927.The orthometric height was computed from unverified reset data. HV0927 HV0927.The geoid height was determined by GEOID99. HV0927 HV0927; North East Units Estimated Accuracy HV0927;SPC MD - 110,650. 434,110. MT (+/- 180 meters Scaled) HV0927 HV0927 SUPERSEDED SURVEY CONTROL HV0927 HV0927 NGVD 29 - 49.84 (m) 163.5 (f) RESET 3 HV0927 HV0927.Superseded values are not recommended for survey control. HV0927.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0927.See file dsdata.txt to determine how the superseded data were derived. HV0927 HV0927_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH600805(NAD 83) HV0927_MARKER: DD = SURVEY DISK HV0927_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV0927_STAMPING: WO 23 1933 RESET 1962 HV0927_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV0927+STABILITY: SURFACE MOTION HV0927 HV0927 HISTORY - Date Condition Report By HV0927 HISTORY - 1962 MONUMENTED MDSRC HV0927 HISTORY - 20010331 MARK NOT FOUND NGS HV0927 HV0927 STATION DESCRIPTION HV0927 HV0927'DESCRIBED BY MD STATE ROADS COMM 1962 HV0927'AT SUNDERLAND. HV0927'AT SUNDERLAND, CALVERT COUNTY, IN SE ANGLE OF THE JUNCTION OF HV0927'MD. ROUTES 416 AND 262, IN THE N CORNER OF ALL SAINTS HV0927'EPISCOPAL CHURCH PROPERTY, 29.0 FEET S OF CENTERLINE OF MD. 262, HV0927'37.0 FEET E OF CENTERLINE OF MD. 416, 46.6 FEET S OF BRACE-POLE HV0927'4 AND 42.0 FEET N OF A 24 IN. GUM TREE, AND SET IN A CONCRETE HV0927'POST FLUSH TO THE LAWN. NOTE-- THE MARK WAS RESET HV0927'HORIZONTALLY FROM A STATE GRID AZIMUTH POINT DETERMINED FOR HV0927'THIS STATION IN 1959. HV0927 HV0927 STATION RECOVERY (2001) HV0927 HV0927'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DB) HV0927'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS.