1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 HV4008 *********************************************************************** HV4008 DESIGNATION - ACADEMY CROSS 1943 HV4008 PID - HV4008 HV4008 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV4008 USGS QUAD - WASHINGTON WEST (1983) HV4008 HV4008 *CURRENT SURVEY CONTROL HV4008 ___________________________________________________________________ HV4008* NAD 83(1993)- 38 56 33.18652(N) 077 03 31.62184(W) ADJUSTED HV4008* NAVD 88 - 91. (meters) 299. (feet) SCALED HV4008 ___________________________________________________________________ HV4008 LAPLACE CORR- -2.96 (seconds) DEFLEC99 HV4008 GEOID HEIGHT- -31.94 (meters) GEOID03 HV4008 HV4008 HORZ ORDER - THIRD HV4008 HV4008.The horizontal coordinates were established by classical geodetic methods HV4008.and adjusted by the National Geodetic Survey in November 1994. HV4008 HV4008.The orthometric height was scaled from a topographic map. HV4008 HV4008.The Laplace correction was computed from DEFLEC99 derived deflections. HV4008 HV4008.The geoid height was determined by GEOID03. HV4008 HV4008; North East Units Scale Factor Converg. HV4008;SPC MD - 141,630.553 394,903.904 MT 0.99995052 -0 02 12.8 HV4008;SPC MD - 464,666.24 1,295,613.89 sFT 0.99995052 -0 02 12.8 HV4008;SPC VA N - 2,142,604.554 3,624,938.692 MT 0.99996444 +0 53 58.2 HV4008;UTM 18 - 4,312,416.892 321,574.080 MT 0.99999203 -1 17 39.7 HV4008 HV4008! - Elev Factor x Scale Factor = Combined Factor HV4008!SPC MD - 0.99999077 x 0.99995052 = 0.99994129 HV4008!SPC VA N - 0.99999077 x 0.99996444 = 0.99995521 HV4008!UTM 18 - 0.99999077 x 0.99999203 = 0.99998280 HV4008 HV4008 SUPERSEDED SURVEY CONTROL HV4008 HV4008 NAD 83(1991)- 38 56 33.18582(N) 077 03 31.62309(W) AD( ) 4 HV4008 NAD 83(1986)- 38 56 33.18538(N) 077 03 31.63327(W) AD( ) 4 HV4008 NAD 27 - 38 56 32.78700(N) 077 03 32.71000(W) AD( ) 3 HV4008 HV4008.Superseded values are not recommended for survey control. HV4008.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV4008.See file dsdata.txt to determine how the superseded data were derived. HV4008 HV4008_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ2157412417(NAD 83) HV4008_MARKER: 74 = LARGE CROSS HV4008 HV4008 HISTORY - Date Condition Report By HV4008 HISTORY - 1943 FIRST OBSERVED CGS HV4008 HISTORY - 1971 GOOD NGS HV4008 HISTORY - 19950607 GOOD USPSQD HV4008 HISTORY - 20050806 GOOD GEOCAC HV4008 HV4008 STATION DESCRIPTION HV4008 HV4008'DESCRIBED BY COAST AND GEODETIC SURVEY 1943 (WHB) HV4008'DISTANCE DETERMINED TO WEST SIDE OF TOP OF LARGE GILT CROSS, HV4008'0.21 METERS IN CROSS SECTION, ON THE FRONT WALL OF TOWER, HV4008'BETWEEN THE FRONT TWO OF FOUR TURRETS ON THE RECTANGULAR HV4008'TOWER ON THE MAIN BUILDING OF THE HOLY CROSS ACADEMY. LOCATED HV4008'AT 2935 UPTON ST., N.W. HV4008 HV4008 STATION RECOVERY (1971) HV4008 HV4008'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (LFS) HV4008'STATION WAS RECOVERED IN GOOD CONDITION, AS PREVIOUSLY DESCRIBED. HV4008'THE ORIGINAL DESCRIPTION IS ADEQUATE. HV4008 HV4008 STATION RECOVERY (1995) HV4008 HV4008'RECOVERY NOTE BY US POWER SQUADRON 1995 HV4008'RECOVERED IN GOOD CONDITION. HV4008 HV4008 STATION RECOVERY (2005) HV4008 HV4008'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV4008'BUILDING IS NOW PART OF HOWARD UNIVERSITY SCHOOL OF LAW. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 HV7848 *********************************************************************** HV7848 DESIGNATION - B 6 HV7848 PID - HV7848 HV7848 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV7848 USGS QUAD - WASHINGTON WEST (1983) HV7848 HV7848 *CURRENT SURVEY CONTROL HV7848 ___________________________________________________________________ HV7848* NAD 83(1986)- 38 56 48. (N) 077 04 47. (W) SCALED HV7848* NAVD 88 - 118.305 (meters) 388.14 (feet) ADJUSTED HV7848 ___________________________________________________________________ HV7848 GEOID HEIGHT- -31.90 (meters) GEOID03 HV7848 DYNAMIC HT - 118.241 (meters) 387.93 (feet) COMP HV7848 MODELED GRAV- 980,082.4 (mgal) NAVD 88 HV7848 HV7848 VERT ORDER - FIRST CLASS II HV7848 HV7848.The horizontal coordinates were scaled from a topographic map and have HV7848.an estimated accuracy of +/- 6 seconds. HV7848 HV7848.The orthometric height was determined by differential leveling HV7848.and adjusted by the National Geodetic Survey in June 1991. HV7848 HV7848.The geoid height was determined by GEOID03. HV7848 HV7848.The dynamic height is computed by dividing the NAVD 88 HV7848.geopotential number by the normal gravity value computed on the HV7848.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV7848.degrees latitude (g = 980.6199 gals.). HV7848 HV7848.The modeled gravity was interpolated from observed gravity values. HV7848 HV7848 SUPERSEDED SURVEY CONTROL HV7848 HV7848.No superseded survey control is available for this station. HV7848 HV7848_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ197129(NAD 83) HV7848_MARKER: DD = SURVEY DISK HV7848_SETTING: 36 = SET IN A MASSIVE STRUCTURE HV7848_SP_SET: FOUNDATION HV7848_STAMPING: B 6 1979 HV7848_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV7848_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV7848+SATELLITE: SATELLITE OBSERVATIONS - August 06, 2005 HV7848 HV7848 HISTORY - Date Condition Report By HV7848 HISTORY - 1979 MONUMENTED NGS HV7848 HISTORY - 19950617 GOOD USPSQD HV7848 HISTORY - 20050806 GOOD GEOCAC HV7848 HV7848 STATION DESCRIPTION HV7848 HV7848'DESCRIBED BY NATIONAL GEODETIC SURVEY 1979 HV7848'IN TENLEYTOWN. HV7848'IN TENLEYTOWN, 0.1 MILE NORTHWEST ALONG WISCONSIN AVENUE FROM HV7848'TENLEY CIRCLE, SET IN THE FOUNDATION AT THE SOUTHEAST SIDE OF THE HV7848'MAIN ENTRANCE TO THE AUDITORIUM OF ST. ANNS PARISH AND SCHOOL, 1.5 HV7848'FEET SOUTHWEST OF CORNER STONE CAST 1937, 15.3 FEET SOUTHEAST OF THE HV7848'CENTER OF THE ENTRANCE DOORS, 35 FEET SOUTHWEST OF THE SOUTHWEST HV7848'CURB OF THE AVENUE. HV7848'THE MARK IS 6 FT ABOVE AVENUE. HV7848 HV7848 STATION RECOVERY (1995) HV7848 HV7848'RECOVERY NOTE BY US POWER SQUADRON 1995 HV7848'RECOVERED IN GOOD CONDITION. HV7848 HV7848 STATION RECOVERY (2005) HV7848 HV7848'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV7848'FOUND AS DESCRIBED AND SET HORIZONTALLY ON THE WEST SIDE OF WISCONSIN HV7848'AVENUE OPPOSITE GRANT STREET. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 HV4102 *********************************************************************** HV4102 DESIGNATION - BLUFF 2 HV4102 PID - HV4102 HV4102 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV4102 USGS QUAD - WASHINGTON WEST (1983) HV4102 HV4102 *CURRENT SURVEY CONTROL HV4102 ___________________________________________________________________ HV4102* NAD 83(1993)- 38 55 45.29429(N) 077 06 37.27009(W) ADJUSTED HV4102* NAVD 88 - 35. (meters) 115. (feet) SCALED HV4102 ___________________________________________________________________ HV4102 LAPLACE CORR- -2.12 (seconds) DEFLEC99 HV4102 GEOID HEIGHT- -31.88 (meters) GEOID03 HV4102 HV4102 HORZ ORDER - SECOND HV4102 HV4102.The horizontal coordinates were established by classical geodetic methods HV4102.and adjusted by the National Geodetic Survey in November 1994. HV4102 HV4102.The orthometric height was scaled from a topographic map. HV4102 HV4102.The Laplace correction was computed from DEFLEC99 derived deflections. HV4102 HV4102.The geoid height was determined by GEOID03. HV4102 HV4102; North East Units Scale Factor Converg. HV4102;SPC MD - 140,157.902 390,431.499 MT 0.99995028 -0 04 09.3 HV4102;SPC MD - 459,834.72 1,280,940.68 sFT 0.99995028 -0 04 09.3 HV4102;SPC VA N - 2,141,058.983 3,620,490.893 MT 0.99996315 +0 52 02.3 HV4102;UTM 18 - 4,311,042.661 317,070.205 MT 1.00001207 -1 19 35.1 HV4102 HV4102! - Elev Factor x Scale Factor = Combined Factor HV4102!SPC MD - 0.99999955 x 0.99995028 = 0.99994983 HV4102!SPC VA N - 0.99999955 x 0.99996315 = 0.99996270 HV4102!UTM 18 - 0.99999955 x 1.00001207 = 1.00001162 HV4102 HV4102: Primary Azimuth Mark Grid Az HV4102:SPC MD - BATTERY 083 53 43.5 HV4102:SPC VA N - BATTERY 082 57 31.9 HV4102:UTM 18 - BATTERY 085 09 09.3 HV4102 HV4102|---------------------------------------------------------------------| HV4102| PID Reference Object Distance Geod. Az | HV4102| dddmmss.s | HV4102| HV3985 BATTERY APPROX. 1.3 KM 0834934.2 | HV4102| DC6696 BLUFF 2 RM 1 24.894 METERS 14310 | HV4102| HV0366 CREEK APPROX. 0.5 KM 2053246.3 | HV4102| HV0746 HOLE 458.562 METERS 2345110.7 | HV4102| DC6697 BLUFF 2 RM 2 20.772 METERS 33737 | HV4102|---------------------------------------------------------------------| HV4102 HV4102 SUPERSEDED SURVEY CONTROL HV4102 HV4102 NAD 83(1991)- 38 55 45.29323(N) 077 06 37.27174(W) AD( ) 2 HV4102 NAD 83(1986)- 38 55 45.29302(N) 077 06 37.28163(W) AD( ) 2 HV4102 NAD 27 - 38 55 44.89300(N) 077 06 38.35200(W) AD( ) 2 HV4102 HV4102.Superseded values are not recommended for survey control. HV4102.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV4102.See file dsdata.txt to determine how the superseded data were derived. HV4102 HV4102_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ1707011043(NAD 83) HV4102_MARKER: DS = TRIANGULATION STATION DISK HV4102_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV4102 HV4102 HISTORY - Date Condition Report By HV4102 HISTORY - 1935 MONUMENTED CGS HV4102 HISTORY - 1938 GOOD CGS HV4102 HISTORY - 1946 GOOD CGS HV4102 HISTORY - 19950619 GOOD USPSQD HV4102 HISTORY - 20050806 GOOD GEOCAC HV4102 HV4102 STATION DESCRIPTION HV4102 HV4102'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (JHB) HV4102'STATION WAS ESTABLISHED TO REPLACE BLUFF WHICH WAS NOT RECOVERED. HV4102'IT IS ON THE BLUFF OVERLOOKING THE POTOMAC RIVER FROM THE DISTRICT HV4102'OF COLUMBIA SIDE, 7.6 METERS WSW OF THE CENTER LINE OF POTOMAC HV4102'AVENUE (THE STREET ABOVE CHAIN BRIDGE ROAD), OPPOSITE A POINT HV4102'JUST S OF HOUSE NO. 5533, WHERE A CABLE GUARD IS SET BACK, 1.5 HV4102'METERS W OF THIS CABLE GUARD, AND 11.5 METERS SW OF TELEPHONE POLE HV4102'NO. P.E.P. 220042. THE MARK PROJECTS ABOUT 2 INCHES ABOVE THE HV4102'GROUND. HV4102' HV4102'SURFACE, UNDERGROUND AND REFERENCE MARKS ARE STANDARD BRONZE HV4102'DISKS SET IN CONCRETE. HV4102' HV4102'REFERENCE MARK NO. 1 IS SE OF THE STATION, 3 METERS W OF THE HV4102'CENTER LINE OF POTOMAC AVENUE AND 0.5 METER E OF THE CABLE GUARD. HV4102' HV4102'REFERENCE MARK NO. 2 IS NNW OF THE STATION IN THE GUARD RAIL HV4102'LINE, 6 METERS W OF THE CENTER LINE OF POTOMAC AVENUE, OPPOSITE HV4102'HOUSE NO. 5533, AND 8 METERS S OF RANGE WITH THE TERRACE STEPS HV4102'AND FRONT DOOR OF THIS HOUSE. HV4102' HV4102'A 64-FOOT TOWER WAS USED. NO AZIMUTH MARK SET. HV4102 HV4102 STATION RECOVERY (1938) HV4102 HV4102'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1938 (TMP) HV4102'STATION MARK RECOVERED. REFERENCE MARKS NOT SEARCHED FOR. HV4102 HV4102 STATION RECOVERY (1946) HV4102 HV4102'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1946 (JMN) HV4102'FIRST PARAGRAPH OF DESCRIPTION--HOUSE NO. 5533 WHERE A CABLE HV4102'GUARD IS SET BACK, 1.5 METERS W OF THIS CABLE GUARD SHOULD READ HV4102'HOUSE NO. 5529, 1.5 METERS W OF A CABLE GUARD. HV4102' HV4102'FOURTH PARAGRAPH--OPPOSITE HOUSE NO. 5533 AND 8 METERS S OF HV4102'RANGE WITH THE TERRACE STEPS AND FRONT DOOR OF THIS HOUSE SHOULD HV4102'READ BETWEEN HOUSE NO. 5529 AND HOUSE NO. 5533. OTHERWISE, AS HV4102'DESCRIBED. STATION AND REFERENCE MARKS IN GOOD CONDITION. HV4102 HV4102 STATION RECOVERY (1995) HV4102 HV4102'RECOVERY NOTE BY US POWER SQUADRON 1995 HV4102'RECOVERED IN GOOD CONDITION. HV4102 HV4102 STATION RECOVERY (2005) HV4102 HV4102'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV4102'FOUND AS DESCRIBED AND ABOUT 6.6 FEET SOUTH-SOUTHWEST OF A METAL POST HV4102'WITH A 'ONE LANE AHEAD' SIGN, AND ABOUT 4.7 FEET BEHIND (WEST OF) A HV4102'CABLE FENCE. MARK IS ACROSS POTOMAC AVENUE FROM HOUSE NUMBER 5525. HV4102' HV4102'RM 1 NOT OBSERVED BUT MAY BE IN SHRUBBERY, ETC., ACROSS STREET FROM HV4102'HOUSE NUMBER 5521. HV4102' HV4102'RM 2 FOUND AS DESCRIBED IN 1946 RECOVERY REPORT. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 HV4324 *********************************************************************** HV4324 DESIGNATION - GEOPHYSIC HV4324 PID - HV4324 HV4324 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV4324 USGS QUAD - WASHINGTON WEST (1983) HV4324 HV4324 *CURRENT SURVEY CONTROL HV4324 ___________________________________________________________________ HV4324* NAD 83(1993)- 38 56 34.79960(N) 077 03 24.98579(W) ADJUSTED HV4324* NAVD 88 - HV4324 ___________________________________________________________________ HV4324 LAPLACE CORR- -2.82 (seconds) DEFLEC99 HV4324 GEOID HEIGHT- -31.94 (meters) GEOID03 HV4324 HV4324 HORZ ORDER - THIRD HV4324 HV4324.The horizontal coordinates were established by classical geodetic methods HV4324.and adjusted by the National Geodetic Survey in November 1994. HV4324 HV4324 HV4324.The Laplace correction was computed from DEFLEC99 derived deflections. HV4324 HV4324.The geoid height was determined by GEOID03. HV4324 HV4324; North East Units Scale Factor Converg. HV4324;SPC MD - 141,680.192 395,063.739 MT 0.99995053 -0 02 08.7 HV4324;SPC MD - 464,829.10 1,296,138.28 sFT 0.99995053 -0 02 08.7 HV4324;SPC VA N - 2,142,656.799 3,625,097.696 MT 0.99996448 +0 54 02.3 HV4324;UTM 18 - 4,312,463.014 321,734.972 MT 0.99999132 -1 17 35.6 HV4324 HV4324 SUPERSEDED SURVEY CONTROL HV4324 HV4324 NAD 83(1991)- 38 56 34.79890(N) 077 03 24.98706(W) AD( ) 4 HV4324 NAD 83(1986)- 38 56 34.79841(N) 077 03 24.99719(W) AD( ) 4 HV4324 NAD 27 - 38 56 34.40000(N) 077 03 26.07600(W) AD( ) 3 HV4324 HV4324.Superseded values are not recommended for survey control. HV4324.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV4324.See file dsdata.txt to determine how the superseded data were derived. HV4324 HV4324_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ2173512463(NAD 83) HV4324_MARKER: 84 = LIGHTNING ROD HV4324 HV4324 HISTORY - Date Condition Report By HV4324 HISTORY - 1943 FIRST OBSERVED CGS HV4324 HISTORY - 1971 GOOD NGS HV4324 HISTORY - 19950605 GOOD USPSQD HV4324 HISTORY - 20050806 GOOD GEOCAC HV4324 HV4324 STATION DESCRIPTION HV4324 HV4324'DESCRIBED BY COAST AND GEODETIC SURVEY 1943 (WHB) HV4324'STATION IS THE NORTHWESTERN OF TWO LIGHTNING RODS ON THE CONCRETE HV4324'SMOKESTACK OF THE POWER HOUSE OF THE GEOPHYSICAL LABORATORY, HV4324'2801 UPTON STREET, N.W. HV4324' HV4324'THE TOP OF THE STACK IS APPROXIMATELY 75 FEET ABOVE THE SURROUNDING HV4324'GROUND LEVEL. HV4324 HV4324 STATION RECOVERY (1971) HV4324 HV4324'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (LFS) HV4324'STATION WAS RECOVERED AS PREVIOUSLY DESCRIBED. BOTH LIGHTNING HV4324'RODS ARE STILL ON THE STACK. STACK IS GREY, AND SETS 48 FEET HV4324'WEST OF SOUTHWEST CORNER OF THE GEOPHYSICAL LABORATORY BUILDING. HV4324 HV4324 STATION RECOVERY (1995) HV4324 HV4324'RECOVERY NOTE BY US POWER SQUADRON 1995 HV4324'RECOVERED IN GOOD CONDITION. HV4324 HV4324 STATION RECOVERY (2005) HV4324 HV4324'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV4324'THE CARNEGIE GEOPHYSICAL LABORATORY IS NOW THE LEVINE SCHOOL OF MUSIC. HV4324' 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 HV1959 *********************************************************************** HV1959 DESIGNATION - NW 34 HV1959 PID - HV1959 HV1959 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV1959 USGS QUAD - WASHINGTON WEST (1983) HV1959 HV1959 *CURRENT SURVEY CONTROL HV1959 ___________________________________________________________________ HV1959* NAD 83(1986)- 38 56 13. (N) 077 05 13. (W) SCALED HV1959* NAVD 88 - 120.079 (meters) 393.96 (feet) ADJUSTED HV1959 ___________________________________________________________________ HV1959 GEOID HEIGHT- -31.90 (meters) GEOID03 HV1959 DYNAMIC HT - 120.014 (meters) 393.75 (feet) COMP HV1959 MODELED GRAV- 980,082.4 (mgal) NAVD 88 HV1959 HV1959 VERT ORDER - FIRST CLASS II HV1959 HV1959.The horizontal coordinates were scaled from a topographic map and have HV1959.an estimated accuracy of +/- 6 seconds. HV1959 HV1959.The orthometric height was determined by differential leveling HV1959.and adjusted by the National Geodetic Survey in June 1991. HV1959 HV1959.The geoid height was determined by GEOID03. HV1959 HV1959.The dynamic height is computed by dividing the NAVD 88 HV1959.geopotential number by the normal gravity value computed on the HV1959.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV1959.degrees latitude (g = 980.6199 gals.). HV1959 HV1959.The modeled gravity was interpolated from observed gravity values. HV1959 HV1959 SUPERSEDED SURVEY CONTROL HV1959 HV1959 NGVD 29 (??/??/??) 120.299 (m) 394.68 (f) ADJUSTED 1 2 HV1959 HV1959.Superseded values are not recommended for survey control. HV1959.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1959.See file dsdata.txt to determine how the superseded data were derived. HV1959 HV1959_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ191118(NAD 83) HV1959_MARKER: DD = SURVEY DISK HV1959_SETTING: 36 = SET IN A MASSIVE STRUCTURE HV1959_SP_SET: BUILDING HV1959_STAMPING: NW 34 HV1959_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV1959_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV1959+SATELLITE: SATELLITE OBSERVATIONS - August 06, 2005 HV1959 HV1959 HISTORY - Date Condition Report By HV1959 HISTORY - UNK MONUMENTED PBPP HV1959 HISTORY - 1926 GOOD PBPP HV1959 HISTORY - 1960 GOOD CGS HV1959 HISTORY - 1979 GOOD NGS HV1959 HISTORY - 20031220 GOOD USPSQD HV1959 HISTORY - 20050806 GOOD GEOCAC HV1959 HV1959 STATION DESCRIPTION HV1959 HV1959'DESCRIBED BY PUB BLDGS AND PARKS 1926 HV1959'AT WASHINGTON. HV1959'AT WASHINGTON, ON MASSACHUSETTS AVENUE NORTHWEST, 600 FEET HV1959'SOUTHWEST OF THE INTERSECTION OF NEBRASKA AVENUE NORTHWEST, AT HV1959'WARD CIRCLE, ON THE CAMPUS OF AMERICAN UNIVERSITY, AT HURST HALL HV1959'OF HISTORY (THE BUILDING NEAREST NEBRASKA AVENUE), IN THE EAST HV1959'GRANITE WALL, MIDWAY BETWEEN THE CORNERS OF THE BUILDING, BELOW HV1959'A BRONZE-LETTERED INSCRIPTION, AND 0.5 FOOT ABOVE THE SIDEWALK. HV1959'A PUBLIC BUILDINGS AND PUBLIC PARKS STANDARD DISK, STAMPED NW 34 HV1959'AND SET VERTICALLY. HV1959 HV1959 STATION RECOVERY (1960) HV1959 HV1959'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 HV1959'RECOVERED IN GOOD CONDITION. HV1959 HV1959 STATION RECOVERY (1979) HV1959 HV1959'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 HV1959'IN WESLEY HEIGHTS, 0.15 MILE SOUTHWEST ALONG LOUGHBORO ROAD HV1959'FROM WARD CIRCLE, SET VERTICALLY IN THE CENTER OF THE SOUTHEAST HV1959'FACE OF UNIVERSITY COLLEGE OF LIBERAL ARTS BUILDING, HURTS HALL, HV1959'14.3 FEET NORTHEAST OF THE CENTER OF A LARGE CATCH BASIN, 25.5 FEET HV1959'NORTHWEST OF A COMMEMORATIVE HEAD STONE FOR CAMP LEACH, 83.5 FEET HV1959'NORTHWEST OF THE NORTHWEST CURB OF LOUGHBORO ROAD. HV1959 HV1959 STATION RECOVERY (2003) HV1959 HV1959'RECOVERY NOTE BY US POWER SQUADRON 2003 (CM) HV1959'RECOVERED IN GOOD CONDITION. HV1959 HV1959 STATION RECOVERY (2005) HV1959 HV1959'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV1959'LOCATED AS DESCRIBED, ON THE NEBRASKA AVENUE SIDE OF HURST HALL (NOTE HV1959'CORRECTED SPELLING). IT IS IN THE CENTER OF THE BUILDING, MORE OR LESS HV1959'DIRECTLY OPPOSITE PARKING LOT ENTRANCE ACROSS THE AVENUE. THE BRONZE HV1959'INSCRIPTION MENTIONED IN THE 1926 DESCRIPTION HAS BEEN REMOVED. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 HV1903 *********************************************************************** HV1903 DESIGNATION - Z 1 HV1903 PID - HV1903 HV1903 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV1903 USGS QUAD - WASHINGTON WEST (1983) HV1903 HV1903 *CURRENT SURVEY CONTROL HV1903 ___________________________________________________________________ HV1903* NAD 83(1986)- 38 56 05. (N) 077 03 24. (W) SCALED HV1903* NAVD 88 - 90.64 (+/-2cm) 297.4 (feet) VERTCON HV1903 ___________________________________________________________________ HV1903 GEOID HEIGHT- -31.95 (meters) GEOID03 HV1903 HV1903 VERT ORDER - ? (See Below) HV1903 HV1903.The horizontal coordinates were scaled from a topographic map and have HV1903.an estimated accuracy of +/- 6 seconds. HV1903 HV1903.The NAVD 88 height was computed by applying the VERTCON shift value to HV1903.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV1903.The vertical order pertains to the NGVD 29 superseded value. HV1903 HV1903.The geoid height was determined by GEOID03. HV1903 HV1903 SUPERSEDED SURVEY CONTROL HV1903 HV1903 NGVD 29 (??/??/??) 90.872 (m) 298.14 (f) ADJUSTED ? HV1903 HV1903.Superseded values are not recommended for survey control. HV1903.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1903.See file dsdata.txt to determine how the superseded data were derived. HV1903 HV1903_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ217115(NAD 83) HV1903_MARKER: DB = BENCH MARK DISK HV1903_SETTING: 36 = SET IN A MASSIVE STRUCTURE HV1903_SP_SET: FOUNDATION HV1903_STAMPING: Z 1 1932 HV1903_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV1903_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV1903+SATELLITE: SATELLITE OBSERVATIONS - August 06, 2005 HV1903 HV1903 HISTORY - Date Condition Report By HV1903 HISTORY - 1932 MONUMENTED CGS HV1903 HISTORY - 19950605 GOOD USPSQD HV1903 HISTORY - 19991005 GOOD NGS HV1903 HISTORY - 20050806 GOOD GEOCAC HV1903 HV1903 STATION DESCRIPTION HV1903 HV1903'DESCRIBED BY COAST AND GEODETIC SURVEY 1932 HV1903'AT WASHINGTON. HV1903'AT WASHINGTON, AT 2801 UPTON STREET NORTHWEST, AT THE GEOPHYSICAL HV1903'LABORATORY OF THE CARNEGIE INSTITUTION OF WASHINGTON, AT THE HV1903'SOUTHWEST CORNER OF THE BUILDING, IN THE SOUTH FACE OF THE HV1903'FOUNDATION, 6 INCHES EAST OF THE CORNER, AND 3.5 FEET ABOVE HV1903'THE GROUND. A STANDARD DISK, STAMPED Z 1 1932 AND SET VERTICALLY. HV1903 HV1903 STATION RECOVERY (1995) HV1903 HV1903'RECOVERY NOTE BY US POWER SQUADRON 1995 HV1903'RECOVERED IN GOOD CONDITION. HV1903 HV1903 STATION RECOVERY (1999) HV1903 HV1903'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1999 (DW) HV1903'BLDG. IS NOW THE LEVINE SCHOOL OF MUSIC, SALLIE MAE HALL. HV1903 HV1903 STATION RECOVERY (2005) HV1903 HV1903'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV1903'FOUND AS DESCRIBED AND ACROSS PARKING LOT FROM ELEVATOR ENTRANCE. HV1903' HV1903'HANDHELD GPS RECEIVER INDICATES LOCATION IS N 38 56 35.0, W 077 03 HV1903'24.2 (NOTE SIGNIFICANT DISCREPANCY FROM PUBLISHED SCALED LATITUDE).