1 National Geodetic Survey, Retrieval Date = OCTOBER 3, 2005 AJ8230 *********************************************************************** AJ8230 TIDAL BM - This is a Tidal Bench Mark. AJ8230 DESIGNATION - 33B1 1 AJ8230 PID - AJ8230 AJ8230 STATE/COUNTY- MD/DORCHESTER AJ8230 USGS QUAD - BARREN ISLAND (1984) AJ8230 AJ8230 *CURRENT SURVEY CONTROL AJ8230 ___________________________________________________________________ AJ8230* NAD 83(1991)- 38 20 11.99548(N) 076 15 43.02590(W) ADJUSTED AJ8230* NAVD 88 - 0.5 (meters) 2. (feet) GPS OBS AJ8230 ___________________________________________________________________ AJ8230 X - 1,189,627.048 (meters) COMP AJ8230 Y - -4,866,000.697 (meters) COMP AJ8230 Z - 3,934,802.649 (meters) COMP AJ8230 LAPLACE CORR- -6.75 (seconds) DEFLEC99 AJ8230 ELLIP HEIGHT- -34.37 (meters) (08/09/02) GPS OBS AJ8230 GEOID HEIGHT- -34.94 (meters) GEOID03 AJ8230 AJ8230 HORZ ORDER - A AJ8230 ELLP ORDER - THIRD CLASS II AJ8230 AJ8230.The horizontal coordinates were established by GPS observations AJ8230.and adjusted by the National Geodetic Survey in March 2002. AJ8230 AJ8230.The orthometric height was determined by GPS observations and a AJ8230.high-resolution geoid model. AJ8230 AJ8230.This Tidal Bench Mark is designated as VM 16630 AJ8230.by the Center for Operational Oceanographic Products and Services. AJ8230 AJ8230.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ8230 AJ8230.The Laplace correction was computed from DEFLEC99 derived deflections. AJ8230 AJ8230.The ellipsoidal height was determined by GPS observations AJ8230.and is referenced to NAD 83. AJ8230 AJ8230.The geoid height was determined by GEOID03. AJ8230 AJ8230; North East Units Scale Factor Converg. AJ8230;SPC MD - 74,633.636 464,526.026 MT 0.99999382 +0 27 47.6 AJ8230;SPC MD - 244,860.52 1,524,032.47 sFT 0.99999382 +0 27 47.6 AJ8230;UTM 18 - 4,243,923.267 389,710.376 MT 0.99974980 -0 46 58.2 AJ8230 AJ8230! - Elev Factor x Scale Factor = Combined Factor AJ8230!SPC MD - 1.00000539 x 0.99999382 = 0.99999921 AJ8230!UTM 18 - 1.00000539 x 0.99974980 = 0.99975519 AJ8230 AJ8230|---------------------------------------------------------------------| AJ8230| PID Reference Object Distance Geod. Az | AJ8230| dddmmss.s | AJ8230| AJ8227 857 1579 E TIDAL 189.685 METERS 34958 | AJ8230|---------------------------------------------------------------------| AJ8230 AJ8230 SUPERSEDED SURVEY CONTROL AJ8230 AJ8230 ELLIP H (03/12/02) -34.37 (m) GP( ) 4 2 AJ8230 AJ8230.Superseded values are not recommended for survey control. AJ8230.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AJ8230.See file dsdata.txt to determine how the superseded data were derived. AJ8230 AJ8230_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH8971043923(NAD 83) AJ8230_MARKER: Z = SEE DESCRIPTION AJ8230_SETTING: 0 = UNSPECIFIED SETTING AJ8230_STAMPING: COE BALTO AJ8230_MARK LOGO: NONE AJ8230_MAGNETIC: N = NO MAGNETIC MATERIAL AJ8230_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY AJ8230_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ8230+SATELLITE: SATELLITE OBSERVATIONS - September 09, 2005 AJ8230 AJ8230 HISTORY - Date Condition Report By AJ8230 HISTORY - UNK MONUMENTED USE AJ8230 HISTORY - 20011101 GOOD NGS AJ8230 HISTORY - 20040914 GOOD NGS AJ8230 HISTORY - 20050909 GOOD USPSQD AJ8230 AJ8230 STATION DESCRIPTION AJ8230 AJ8230'DESCRIBED BY NATIONAL GEODETIC SURVEY 2001 (RWA) AJ8230'BARREN ISLAND IS APPROXIMATELY 22.0 MILES (35.4 KM) SOUTHWEST OF AJ8230'CAMBRIDGE, ABOUT A 10 MINUTE BOAT RIDE FROM FISHING CREEK AT A SMALL AJ8230'BOAT DOCK AT TYLER COVE. OWNERSHIP--FEDERAL LAND, OPEREATED BY THE AJ8230'U.S. FISH AND WILDLIFE DEPARTMENT. CONTACT--MR JOHN GILL WITH THE U.S. AJ8230'FISH AND WILDLIFE SERVICE AT 410 228 2692 EXT 118. TO REACH FROM THE AJ8230'BOAT DOCK NEAR HONGA, GO WEST-SOUTHWEST BY BOAT FOLLOWING A NARROW AJ8230'CHANNEL UNTIL THE BAY WATERS ARE ENTERED, CONTINUE WESTERLY UNTIL THE AJ8230'LAST BOUY LIGHT, THENCE MAKE A WIDE TURN SOUTH (SUNKEN OBSTRUCTIONS AJ8230'NEAR BARREN ISLAND) FOR APPROXIMATELY 0.8 MI (1.28 KM) PASSING AJ8230'NORTHWEST CORNER OF ISLAND, CONTINUE 0.2 MI (0.32 KM) SOUTH ALONG WEST AJ8230'SIDE OF ISLAND, THENCE TURN EAST AND PROCEED WITH CAUTION TO THE AJ8230'ISLAND. ONCE ON THE ISLAND, GO SOUTHEASTERLY ALONG THE WEST BANK FOR AJ8230'0.2 MI (0.32 KM) FROM BM 3BB1 2, TO THE MARK AT THE SOUTH EDGE OF AJ8230'BANK, JUST NORTH OF WHERE THE ISLAND SPLITS DUE TO A SLOUGH, ALSO 0.4 AJ8230'MI (0.6 KM) SOUTH FROM THE NORTHWEST CORNER OF THE ISLAND FROM BM 3BB1 AJ8230'3, ALSO 0.1 MI (0.16 KM) SOUTH OF 857 1579 E TIDAL, A REBAR WITH A AJ8230'YELLOW CAP. 2.3 FEET (0.7 M) WEST OF A FIBERGLASS CARSONITE WITNESS AJ8230'POST, 5.1 FEET (1.6 M) NORTHWEST OF A FIBERGLASS CARSONITE WITNESS AJ8230'POST. AJ8230 AJ8230 STATION RECOVERY (2004) AJ8230 AJ8230'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2004 (DBC) AJ8230'RECOVERED AS DESCRIBED. AJ8230 AJ8230 STATION RECOVERY (2005) AJ8230 AJ8230'RECOVERY NOTE BY US POWER SQUADRON 2005 (LGD) AJ8230'RECOVERED AS DESCRIBED 1 National Geodetic Survey, Retrieval Date = OCTOBER 3, 2005 AJ8226 *********************************************************************** AJ8226 TIDAL BM - This is a Tidal Bench Mark. AJ8226 DESIGNATION - 857 1579 D TIDAL AJ8226 PID - AJ8226 AJ8226 STATE/COUNTY- MD/DORCHESTER AJ8226 USGS QUAD - BARREN ISLAND (1984) AJ8226 AJ8226 *CURRENT SURVEY CONTROL AJ8226 ___________________________________________________________________ AJ8226* NAD 83(1991)- 38 20 23.58748(N) 076 15 50.69038(W) ADJUSTED AJ8226* NAVD 88 - 0.7 (meters) 2. (feet) GPS OBS AJ8226 ___________________________________________________________________ AJ8226 X - 1,189,393.626 (meters) COMP AJ8226 Y - -4,865,829.678 (meters) COMP AJ8226 Z - 3,935,083.125 (meters) COMP AJ8226 LAPLACE CORR- -6.81 (seconds) DEFLEC99 AJ8226 ELLIP HEIGHT- -34.17 (meters) (08/09/02) GPS OBS AJ8226 GEOID HEIGHT- -34.92 (meters) GEOID03 AJ8226 AJ8226 HORZ ORDER - A AJ8226 ELLP ORDER - THIRD CLASS II AJ8226 AJ8226.The horizontal coordinates were established by GPS observations AJ8226.and adjusted by the National Geodetic Survey in March 2002. AJ8226 AJ8226.The orthometric height was determined by GPS observations and a AJ8226.high-resolution geoid model. AJ8226 AJ8226.This Tidal Bench Mark is designated as VM 16627 AJ8226.by the Center for Operational Oceanographic Products and Services. AJ8226 AJ8226.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ8226 AJ8226.The Laplace correction was computed from DEFLEC99 derived deflections. AJ8226 AJ8226.The ellipsoidal height was determined by GPS observations AJ8226.and is referenced to NAD 83. AJ8226 AJ8226.The geoid height was determined by GEOID03. AJ8226 AJ8226; North East Units Scale Factor Converg. AJ8226;SPC MD - 74,989.549 464,337.013 MT 0.99999330 +0 27 42.8 AJ8226;SPC MD - 246,028.21 1,523,412.35 sFT 0.99999330 +0 27 42.8 AJ8226;UTM 18 - 4,244,283.118 389,529.192 MT 0.99975029 -0 47 03.2 AJ8226 AJ8226! - Elev Factor x Scale Factor = Combined Factor AJ8226!SPC MD - 1.00000536 x 0.99999330 = 0.99999866 AJ8226!UTM 18 - 1.00000536 x 0.99975029 = 0.99975565 AJ8226 AJ8226|---------------------------------------------------------------------| AJ8226| PID Reference Object Distance Geod. Az | AJ8226| dddmmss.s | AJ8226| AJ8227 857 1579 E TIDAL 229.249 METERS 13806 | AJ8226|---------------------------------------------------------------------| AJ8226 AJ8226 SUPERSEDED SURVEY CONTROL AJ8226 AJ8226 ELLIP H (03/12/02) -34.17 (m) GP( ) 4 2 AJ8226 AJ8226.Superseded values are not recommended for survey control. AJ8226.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AJ8226.See file dsdata.txt to determine how the superseded data were derived. AJ8226 AJ8226_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH8952944283(NAD 83) AJ8226_MARKER: F = FLANGE-ENCASED ROD AJ8226_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) AJ8226_STAMPING: 1579 D 2001 AJ8226_MARK LOGO: NGS AJ8226_PROJECTION: PROJECTING 9 CENTIMETERS AJ8226_MAGNETIC: N = NO MAGNETIC MATERIAL AJ8226_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AJ8226_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ8226+SATELLITE: SATELLITE OBSERVATIONS - September 09, 2005 AJ8226_ROD/PIPE-DEPTH: 24.2 meters AJ8226_SLEEVE-DEPTH : 0.9 meters AJ8226 AJ8226 HISTORY - Date Condition Report By AJ8226 HISTORY - 2001 MONUMENTED NGS AJ8226 HISTORY - 20040914 GOOD NGS AJ8226 HISTORY - 20050909 GOOD USPSQD AJ8226 AJ8226 STATION DESCRIPTION AJ8226 AJ8226'DESCRIBED BY NATIONAL GEODETIC SURVEY 2001 (RWA) AJ8226'BARREN ISLAND IS APPROXIMATELY 22.0 MILES (35.4 KM) SOUTHWEST OF AJ8226'CAMBRIDGE, ABOUT A 10 MINUTE BOAT RIDE FROM FISHING CREEK AT A SMALL AJ8226'BOAT DOCK AT TYLER COVE. OWNERSHIP--FEDERAL LAND, OPEREATED BY THE AJ8226'U.S. FISH AND WILDLIFE DEPARTMENT. CONTACT--MR JOHN GILL WITH THE U.S. AJ8226'FISH AND WILDLIFE SERVICE AT 410 228 2692 EXT 118. TO REACH FROM THE AJ8226'BOAT DOCK NEAR HONGA, GO WEST-SOUTHWEST BY BOAT FOLLOWING A NARROW AJ8226'CHANNEL UNTIL THE BAY WATERS ARE ENTERED, CONTINUE WESTERLY UNTIL THE AJ8226'LAST BOUY LIGHT, THENCE MAKE A WIDE TURN SOUTH (SUNKEN OBSTRUCTIONS AJ8226'NEAR BARREN ISLAND) FOR APPROXIMATELY 0.8 MI (1.28 KM) PASSING AJ8226'NORTHWEST CORNER OF ISLAND, CONTINUE 0.2 MI (0.32 KM) SOUTH ALONG WEST AJ8226'SIDE OF ISLAND, THENCE TURN EAST AND PROCEED WITH CAUTION TO THE AJ8226'ISLAND. ONCE ON ISLAND GO NORTH ALONG BEACH ON THE WEST SIDE OF AJ8226'ISLAND FOR 0.05 MILE (0.08 KM) THENCE 0.03 MI (0.04 KM) EASTERLY AJ8226'ACROSS BEACH TO A SMALL HILL ON THE EDGE OF BEACH AREA, ALSO 0.1 MI AJ8226'(0.16 KM) SOUTHEAST OF BM 3BB1 3, AND 0.1 MI (0.16 KM) NORTH OF BM AJ8226'3BB1 2, 1.7 FEET (0.5 M) WEST-SOUTHWEST OF A FIBERGLASS CARSONITE AJ8226'WITNESS POST, 40.7 FEET (12.4 M) SOUTH OF A PINE TREE AT EDGE OF TREE AJ8226'LINE. LGO CAP IS 0.6 INCHES ABOVE THE GROUND. NOTE--ACCESS TO THE AJ8226'DATUM POINT IS THROUGH A 5-INCH LOGO CAP. THE SLEEVE DEPTH DOES NOT AJ8226'MEET THE SPECIFICATIONS FOR A CLASS A MARK. AJ8226 AJ8226 STATION RECOVERY (2004) AJ8226 AJ8226'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2004 (DBC) AJ8226'RECOVERED AS DESCRIBED. AJ8226 AJ8226 STATION RECOVERY (2005) AJ8226 AJ8226'RECOVERY NOTE BY US POWER SQUADRON 2005 (LGD) AJ8226'RECOVERED AS DESCRIBED 1 National Geodetic Survey, Retrieval Date = OCTOBER 3, 2005 AJ8227 *********************************************************************** AJ8227 TIDAL BM - This is a Tidal Bench Mark. AJ8227 DESIGNATION - 857 1579 E TIDAL AJ8227 PID - AJ8227 AJ8227 STATE/COUNTY- MD/DORCHESTER AJ8227 USGS QUAD - BARREN ISLAND (1984) AJ8227 AJ8227 *CURRENT SURVEY CONTROL AJ8227 ___________________________________________________________________ AJ8227* NAD 83(1991)- 38 20 18.05318(N) 076 15 44.38670(W) ADJUSTED AJ8227* NAVD 88 - 0.7 (meters) 2. (feet) GPS OBS AJ8227 ___________________________________________________________________ AJ8227 X - 1,189,567.464 (meters) COMP AJ8227 Y - -4,865,896.136 (meters) COMP AJ8227 Z - 3,934,949.267 (meters) COMP AJ8227 LAPLACE CORR- -6.78 (seconds) DEFLEC99 AJ8227 ELLIP HEIGHT- -34.19 (meters) (08/09/02) GPS OBS AJ8227 GEOID HEIGHT- -34.93 (meters) GEOID03 AJ8227 AJ8227 HORZ ORDER - A AJ8227 ELLP ORDER - THIRD CLASS II AJ8227 AJ8227.The horizontal coordinates were established by GPS observations AJ8227.and adjusted by the National Geodetic Survey in March 2002. AJ8227 AJ8227.The orthometric height was determined by GPS observations and a AJ8227.high-resolution geoid model. AJ8227 AJ8227.This Tidal Bench Mark is designated as VM 16628 AJ8227.by the Center for Operational Oceanographic Products and Services. AJ8227 AJ8227.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ8227 AJ8227.The Laplace correction was computed from DEFLEC99 derived deflections. AJ8227 AJ8227.The ellipsoidal height was determined by GPS observations AJ8227.and is referenced to NAD 83. AJ8227 AJ8227.The geoid height was determined by GEOID03. AJ8227 AJ8227; North East Units Scale Factor Converg. AJ8227;SPC MD - 74,820.145 464,491.470 MT 0.99999355 +0 27 46.8 AJ8227;SPC MD - 245,472.43 1,523,919.10 sFT 0.99999355 +0 27 46.8 AJ8227;UTM 18 - 4,244,110.438 389,679.891 MT 0.99974988 -0 46 59.2 AJ8227 AJ8227! - Elev Factor x Scale Factor = Combined Factor AJ8227!SPC MD - 1.00000536 x 0.99999355 = 0.99999891 AJ8227!UTM 18 - 1.00000536 x 0.99974988 = 0.99975524 AJ8227 AJ8227: Primary Azimuth Mark Grid Az AJ8227:SPC MD - BARREN 3 355 53 28.6 AJ8227:UTM 18 - BARREN 3 357 08 14.6 AJ8227 AJ8227|---------------------------------------------------------------------| AJ8227| PID Reference Object Distance Geod. Az | AJ8227| dddmmss.s | AJ8227| AJ8230 33B1 1 189.685 METERS 16958 | AJ8227| AJ8229 33B1 2 125.871 METERS 28737 | AJ8227| AJ8231 33B1 3 355.390 METERS 31521 | AJ8227| AJ8226 857 1579 D TIDAL 229.249 METERS 31806 | AJ8227| AJ8225 857 1579 C TIDAL 300.198 METERS 32616 | AJ8227| AJ8223 857 1579 A TIDAL 396.917 METERS 33252 | AJ8227| AJ8224 857 1579 B TIDAL 264.762 METERS 34801 | AJ8227| AJ8228 BARREN 3 APPROX. 0.6 KM 3562115.4 | AJ8227|---------------------------------------------------------------------| AJ8227 AJ8227 SUPERSEDED SURVEY CONTROL AJ8227 AJ8227 ELLIP H (03/12/02) -34.19 (m) GP( ) 4 2 AJ8227 AJ8227.Superseded values are not recommended for survey control. AJ8227.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AJ8227.See file dsdata.txt to determine how the superseded data were derived. AJ8227 AJ8227_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH8968044110(NAD 83) AJ8227_MARKER: F = FLANGE-ENCASED ROD AJ8227_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) AJ8227_STAMPING: 1579 E 2001 AJ8227_MARK LOGO: NGS AJ8227_PROJECTION: PROJECTING 60 CENTIMETERS AJ8227_MAGNETIC: N = NO MAGNETIC MATERIAL AJ8227_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AJ8227_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ8227+SATELLITE: SATELLITE OBSERVATIONS - September 09, 2005 AJ8227_ROD/PIPE-DEPTH: 30.5 meters AJ8227_SLEEVE-DEPTH : 0.9 meters AJ8227 AJ8227 HISTORY - Date Condition Report By AJ8227 HISTORY - 2001 MONUMENTED NGS AJ8227 HISTORY - 20000510 GOOD NGS AJ8227 HISTORY - 20050909 GOOD USPSQD AJ8227 AJ8227 STATION DESCRIPTION AJ8227 AJ8227'DESCRIBED BY NATIONAL GEODETIC SURVEY 2001 (RWA) AJ8227'BARREN ISLAND IS APPROXIMATELY 22.0 MILES (35.4 KM) SOUTHWEST OF AJ8227'CAMBRIDGE, ABOUT A 10 MINUTE BOAT RIDE FROM FISHING CREEK AT A SMALL AJ8227'BOAT DOCK AT TYLER COVE. OWNERSHIP--FEDERAL LAND, OPEREATED BY THE AJ8227'U.S. FISH AND WILDLIFE DEPARTMENT. CONTACT--MR JOHN GILL WITH THE U.S. AJ8227'FISH AND WILDLIFE SERVICE AT 410 228 2692 EXT 118. TO REACH FROM THE AJ8227'BOAT DOCK NEAR HONGA, GO WEST-SOUTHWEST BY BOAT FOLLOWING A NARROW AJ8227'CHANNEL UNTIL THE BAY WATERS ARE ENTERED, CONTINUE WESTERLY UNTIL THE AJ8227'LAST BOUY LIGHT, THENCE MAKE A WIDE TURN SOUTH (SUNKEN OBSTRUCTIONS AJ8227'NEAR BARREN ISLAND) FOR APPROXIMATELY 0.8 MI (1.28 KM) PASSING AJ8227'NORTHWEST CORNER OF ISLAND, CONTINUE 0.2 MI (0.32 KM) SOUTH ALONG WEST AJ8227'SIDE OF ISLAND, THENCE TURN EAST AND PROCEED WITH CAUTION TO THE AJ8227'ISLAND. ONCE ON THE ISLAND, GO SOUTHEASTERLY ALONG THE WEST BANK TO AJ8227'THE MARK ON THE LEFT IN A SANDY AREA, BETWEEN THE BEACH AND MARSH AJ8227'LAND, ALSO 0.1 MI (0.16 KM) NORTH OF BM 3BB1 1, AND 0.1 MI (0.16 AJ8227'KM)SOUTHEAST OF 857 1579 D TIDAL, 2.5 FEET (0.8 M) SOUTHWEST OF A AJ8227'FIBERGLASS CARSONITE WITNESS POST, 14.2 FEET (4.3 M) NORTHWEST OF A AJ8227'SMALL PVC PIPE 2 FEET (0.6 M) ABOVE GROUND. NOTE--ACCESS TO THE DATUM AJ8227'POINT IS THROUGH A 5-INCH LOGO CAP. THE SLEEVE DEPTH DOES NOT MEET AJ8227'THE SPECIFICATIONS FOR A CLASS A MARK. AJ8227 AJ8227 STATION RECOVERY (2000) AJ8227 AJ8227'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 (RWA) AJ8227'RECOVERED AS DESCRIBED. AJ8227 AJ8227 STATION RECOVERY (2005) AJ8227 AJ8227'RECOVERY NOTE BY US POWER SQUADRON 2005 (LGD) AJ8227'RECOVERED AS DESCRIBED