GP0152 ***********************************************************************
GP0152  DESIGNATION -  L 50
GP0152  PID         -  GP0152
GP0152  STATE/COUNTY-  AZ/COCONINO
GP0152  USGS QUAD   -  TUBA CITY (1972)
GP0152
GP0152                         *CURRENT SURVEY CONTROL
GP0152  ___________________________________________________________________
GP0152* NAD 83(1986)-  36 07 48.     (N)    111 14 17.     (W)     SCALED
GP0152* NAVD 88     -      1505.769  (meters)    4940.18   (feet)  ADJUSTED
GP0152  ___________________________________________________________________
GP0152  GEOID HEIGHT-         -23.35  (meters)                     GEOID99
GP0152  DYNAMIC HT  -        1503.896 (meters)    4934.03  (feet)  COMP
GP0152  MODELED GRAV-     979,336.2   (mgal)                       NAVD 88
GP0152
GP0152  VERT ORDER  -  FIRST     CLASS II
GP0152
GP0152.The horizontal coordinates were scaled from a topographic map and have
GP0152.an estimated accuracy of +/- 6 seconds.
GP0152
GP0152.The orthometric height was determined by differential leveling
GP0152.and adjusted by the National Geodetic Survey in June 1991.
GP0152.WARNING-Repeat measurements at this control monument indicate possible
GP0152.vertical movement.
GP0152
GP0152.The geoid height was determined by GEOID99.
GP0152
GP0152.The dynamic height is computed by dividing the NAVD 88
GP0152.geopotential number by the normal gravity value computed on the
GP0152.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
GP0152.degrees latitude (G = 980.6199 gals.).
GP0152
GP0152.The modeled gravity was interpolated from observed gravity values.
GP0152
GP0152;                    North         East    Units  Estimated Accuracy
GP0152;SPC AZ C     -   569,150.      274,440.      MT  (+/- 180 meters Scaled)
GP0152
GP0152                          SUPERSEDED SURVEY CONTROL
GP0152
GP0152  NGVD 29     -      1504.900  (m)         4937.33   (f) ADJ UNCH    1 2
GP0152
GP0152.Superseded values are not recommended for survey control.
GP0152.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
GP0152.See file dsdata.txt to determine how the superseded data were derived.
GP0152
GP0152_MARKER: DB = BENCH MARK DISK
GP0152_SETTING: 30 = STEP
GP0152_STAMPING: L 50 1934
GP0152_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
GP0152
GP0152  HISTORY     - Date     Condition        Recov. By
GP0152  HISTORY     - 1934     MONUMENTED       CGS
GP0152  HISTORY     - 1983     GOOD             NGS
GP0152
GP0152                          STATION DESCRIPTION
GP0152
GP0152''DESCRIBED BY COAST AND GEODETIC SURVEY 1934
GP0152''IN TUBA CITY.
GP0152''AT TUBA CITY, COCONINO COUNTY, ON THE TONALEA-TUBA CITY ROAD, AT THE
GP0152''FRONT ENTRANCE TO THE PUBLIC SCHOOL, 75 FEET NORTH OF THE CENTERLINE
GP0152''OF THE ROAD, IN THE TOP OF THE BOTTOM CONCRETE STEP OF THE SCHOOL, AND
GP0152''6 INCHES FROM THE EAST EDGE.  A STANDARD DISK, STAMPED L 50 1934.
GP0152''NOTE-- TUBA CITY POST OFFICE.  0.5 MILE NORTHWEST OF ALONG MAIN
GP0152''STREET, THENCE 1 BLOCK EAST, AT THE FRONT ENTRANCE OF A PRIVATE
GP0152''BUILDING FORMERLY USED AS A SCHOOL, 75 FT. NORTH OF THE CENTERLINE OF
GP0152''THE STREET.  17 FT. SOUTH AND 17 FT. WEST OF THE SOUTHEAST CORNER OF
GP0152''THE BUILDING IN THE TOP OF THE BOTTOM CONCRETE STEP AND 6 INCHES FROM
GP0152''THE EAST EDGE.  A USC AND GS BENCH MARK STAMPED L 50 1934.
GP0152
GP0152                          STATION RECOVERY (1983)
GP0152
GP0152''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983
GP0152''RECOVERED IN GOOD CONDITION.  A NEW DESCRIPTION FOLLOWS.  1.6 KM
GP0152''(1.0 MI) NORTHWEST ALONG STATE HIGHWAY 264 FROM ITS JUNCTION WITH U.S.
GP0152''HIGHWAY 160 IN TUBA CITY, THENCE 0.2 KM (0.1 MI) EAST ALONG A PAVED
GP0152''STREET, IN THE EAST END OF THE BOTTOM STEP OF THE SOUTH ENTRANCE TO
GP0152''THE TUBA CITY SUB-STATION OF THE NAVAJO POLICE (THE OLD TUBA CITY
GP0152''SCHOOL BUILDING), 22.9 METERS (75.1 FT) NORTH OF THE CENTERLINE OF THE
GP0152''STREET, 8.0 METERS (26.2 FT) SOUTHWEST OF THE SOUTHEAST CORNER OF THE
GP0152''BUILDING, AND 5.2 METERS (17.1 FT) SOUTH OF THE CENTER OF THE
GP0152''ENTRANCE.
GP0152''THE MARK IS 1.3 M ABOVE THE STREET.