National Geodetic Survey, Retrieval Date = JULY 15, 2000 AD9256 *********************************************************************** AD9256 DESIGNATION - CO UT AZ NM AD9256 PID - AD9256 AD9256 STATE/COUNTY- CO/MONTEZUMA AD9256 USGS QUAD - TEEC NOS POS (1982) AD9256 AD9256 *CURRENT SURVEY CONTROL AD9256 ___________________________________________________________________ AD9256* NAD 83(1992)- 36 59 56.31532(N) 109 02 42.62019(W) ADJUSTED AD9256* NAVD 88 - 1483.2 (meters) 4866. (feet) GPS OBS AD9256 ___________________________________________________________________ AD9256 X - -1,664,600.049 (meters) COMP AD9256 Y - -4,821,996.291 (meters) COMP AD9256 Z - 3,818,182.518 (meters) COMP AD9256 LAPLACE CORR- -1.15 (seconds) DEFLEC99 AD9256 ELLIP HEIGHT- 1462.40 (meters) GPS OBS AD9256 GEOID HEIGHT- -20.75 (meters) GEOID99 AD9256 AD9256 HORZ ORDER - FIRST AD9256 ELLP ORDER - THIRD CLASS I AD9256 AD9256.The horizontal coordinates were established by GPS observations AD9256.and adjusted by the National Geodetic Survey in July 1997. AD9256 AD9256.The orthometric height was determined by GPS observations and a AD9256.high-resolution geoid model. AD9256 AD9256.The X, Y, and Z were computed from the position and the ellipsoidal ht. AD9256 AD9256.The Laplace correction was computed from DEFLEC99 derived deflections. AD9256 AD9256.The ellipsoidal height was determined by GPS observations AD9256.and is referenced to NAD 83. AD9256 AD9256.The geoid height was determined by GEOID99. AD9256 AD9256; North East Units Scale Converg. AD9256;SPC CO S - 1,140,647.42 1,964,876.70 sFT 1.00005079 -2 10 28.3 AD9256;SPC CO S - 347,670.028 598,895.615 MT 1.00005079 -2 10 28.3 AD9256;UTM 12 - 4,096,544.971 673,944.605 MT 0.99997275 +1 10 36.2 AD9256 AD9256|---------------------------------------------------------------------| AD9256| PID Reference Object Distance Geod. Az | AD9256| dddmmss.s | AD9256| GO0510 BOUNDARY MI COR 330 CO NM 171.763 METERS 09004 | AD9256|---------------------------------------------------------------------| AD9256 AD9256 SUPERSEDED SURVEY CONTROL AD9256 AD9256.No superseded survey control is available for this station. AD9256 AD9256_MARKER: DU = BOUNDARY MARKER AD9256_SETTING: 35 = STONE SLAB AD9256_MAGNETIC: N = NO MAGNETIC MATERIAL AD9256_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AD9256+STABILITY: SURFACE MOTION AD9256_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AD9256+SATELLITE: SATELLITE OBSERVATIONS - November 25, 1998 AD9256 AD9256 HISTORY - Date Condition Recov. By AD9256 HISTORY - 1992 MONUMENTED BLM AD9256 HISTORY - 19981125 GOOD NGS AD9256 AD9256 STATION DESCRIPTION AD9256 AD9256'DESCRIBED BY BUREAU OF LAND MANAGEMENT 1992 (DW) AD9256'THE STATION IS LOCATED AT THE INTERSECTION OF THE FOUR STATE CORNERS AD9256'OF COLORADO, NEW MEXICO, UTAH AND ARIZONA AND IS THAT POINT MARKED BY AD9256'A BRASS DISK. IT IS IN THE SOUTHWEST CORNER OF SEC. 20, T 32 N, R 20 AD9256'W. OWNERSHIP---THE MARK IS THE DIVIDING LINE FOR THE NAVAJO AND UTE AD9256'MOUNTAIN UTE RESERVATIONS WHICH OWN THE LAND AROUND THE MONUMENT TO AD9256'REACH THE STATION FROM THE JUNCTION OF U. S. HIGHWAY 160 AND 666 AD9256'ABOUT 20 MI (32.2 KM) SOUTHWEST OF CORTEZ, GO SOUTHWEST ON U. S. AD9256'HIGHWAY 160 FOR 18.0 MI (29.0 KM) TO THE BRIDGE OVER THE SAN JUAN AD9256'RIVER. CONTINUE AHEAD FOR 0.9 MI (1.4 KM) TO A PAVED ROAD RIGHT AT AD9256'TOP OF GRADE. TURN RIGHT, NORTHWEST, PASSING THROUGH A POLE GATE, FOR AD9256'0.3 MI (0.5 KM) TO THE TOLL BOOTH. CONTINUE AHEAD FOR 0.2 MI (0.3 KM) AD9256'TO THE CIRCULAR DRIVE OF THE FOUR CORNERS MONUMENT AND THE DISK IN THE AD9256'CENTER OF THE MONUMENT. THIS STATION WILL HAVE HEAVY TOURIST TRAFFIC AD9256'AROUND IT. IF NIGHT OBSERVATIONS ARE MADE, CONTACT THE OFFICE OF AD9256'NAVAJO TRIBAL LAND ADMINISTRATION, THE NAVAJO NATION, P.O. BOX 308, AD9256'WINDOW ROCK, AZ 86515, FOR INFORMATION ON GETTING A GATE UNLOCKED. AD9256'THE TELEPHONE NUMBER IS 602-871-4530 OR 602-871-7040 THE STATION MARK AD9256'IS A SPECIAL BRASS DISK SET IN A GRANITE SLAB. THE POINT TO USE IS AD9256'THE CENTER OF THE CROSS LINES SHOWING THE STATES THAT COME TOGETHER AT AD9256'THIS POINT. AD9256 AD9256 STATION RECOVERY (1998) AD9256 AD9256'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CSM) AD9256'THE STATION IS LOCATED AT FOUR CORNERS, AT THE POINT WHERE ARIZONA, AD9256'NEW MEXICO, UTAH AND COLORADO MEET. OWNERSHIP--NAVAJO NATION. FOR AD9256'ACCESS TO THE STATION CONTACT MR. LEMONT YAZZIE, NAVAJO NATION, PHONE AD9256'520-871-7058 OR CONTACT THE NAVAJO TRIBAL LAND ADMINISTRATION, PO BOX AD9256'9000, WINDOW ROCK AZ 86515, PHONE 520-871-6401 OR 871-6000. TO REACH AD9256'THE STATION FROM JUNCTION OF US HIGHWAYS 64 AND 160 LOCATED IN THE AD9256'NAVAJO VILLAGE OF TEEC NOS POS AZ, GO NORTHEAST ON US HIGHWAY 160 FOR AD9256'9.25 KM (5.75 MI) TO THE ENTRANCE ROAD TO THE FOUR CORNERS MONUMENT ON AD9256'THE LEFT. TURN LEFT, NORTHWEST ON THE ENTRANCE ROAD FOR 0.32 KM (0.20 AD9256'MI) TO THE TOLL BOOTH. FOR ACCESS TO THE STATION, CONTINUE AHEAD, AD9256'NORTHWEST FOR 0.32 KM (0.20 MI) TO THE CIRCULAR DRIVE AROUND THE AD9256'MONUMENT. THE STATION IS A PUNCH MARK IN THE CENTER OF THE CROSS AD9256'LINES IN A 20 CM (8 INCH) BRASS DISK SET IN THE CENTER OF THE MONUMENT AD9256'INDICATING WHERE THE FOUR STATES JOIN TOGETHER. THE DISK IS AD9256'INSCRIBED, US DEPARTMENT OF INTERIOR, UTAH, COLORADO, NEW MEXICO, AD9256'ARIZONA, CADASTRAL SURVEY 1992, BUREAU OF LAND MANAGEMENT. IT IS IN AD9256'THE CENTER OF THE MONUMENT, 10.06 M (33.01 FT) NORTHWEST OF A FLAG AD9256'POLE.