LO0556 ***********************************************************************
LO0556  DESIGNATION -  4260.840
LO0556  PID         -  LO0556
LO0556  STATE/COUNTY-  UT/SALT LAKE
LO0556  USGS QUAD   -  SALT LAKE CITY NORTH (1985)
LO0556
LO0556                         *CURRENT SURVEY CONTROL
LO0556  ___________________________________________________________________
LO0556* NAD 83(1986)-  40 46 06.     (N)    111 54 12.     (W)     SCALED
LO0556* NAVD 88     -      1299.544  (meters)    4263.59   (feet)  ADJUSTED
LO0556  ___________________________________________________________________
LO0556  GEOID HEIGHT-         -16.81  (meters)                     GEOID99
LO0556  DYNAMIC HT  -        1298.512 (meters)    4260.20  (feet)  COMP
LO0556  MODELED GRAV-     979,786.1   (mgal)                       NAVD 88
LO0556
LO0556  VERT ORDER  -  FIRST     CLASS II
LO0556
LO0556.The horizontal coordinates were scaled from a topographic map and have
LO0556.an estimated accuracy of +/- 6 seconds.
LO0556
LO0556.The orthometric height was determined by differential leveling
LO0556.and adjusted by the National Geodetic Survey in April 2000.
LO0556
LO0556.The geoid height was determined by GEOID99.
LO0556
LO0556.The dynamic height is computed by dividing the NAVD 88
LO0556.geopotential number by the normal gravity value computed on the
LO0556.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
LO0556.degrees latitude (G = 980.6199 gals.).
LO0556
LO0556.The modeled gravity was interpolated from observed gravity values.
LO0556
LO0556;                    North         East    Units  Estimated Accuracy
LO0556;SPC UT C     - 2,270,420.      465,950.      MT  (+/- 180 meters Scaled)
LO0556
LO0556                          SUPERSEDED SURVEY CONTROL
LO0556
LO0556  NGVD 29     -      1298.682  (m)         4260.76   (f) ADJ UNCH    1 2
LO0556
LO0556.Superseded values are not recommended for survey control.
LO0556.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
LO0556.See file dsdata.txt to determine how the superseded data were derived.
LO0556
LO0556_MARKER: B = BOLT
LO0556_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
LO0556_MAGNETIC: N = NO MAGNETIC MATERIAL
LO0556_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
LO0556+STABILITY: SURFACE MOTION
LO0556_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR
LO0556+SATELLITE: SATELLITE OBSERVATIONS - September 22, 1997
LO0556
LO0556  HISTORY     - Date     Condition        Recov. By
LO0556  HISTORY     - UNK      MONUMENTED
LO0556  HISTORY     - 1953     GOOD             NGS
LO0556  HISTORY     - 1970     GOOD             NGS
LO0556  HISTORY     - 19950729 GOOD             NGS
LO0556  HISTORY     - 19970922 GOOD             NGS
LO0556
LO0556                          STATION DESCRIPTION
LO0556
LO0556''DESCRIBED BY NATIONAL GEODETIC SURVEY 1953
LO0556''IN SALT LAKE CITY.
LO0556''AT SALT LAKE CITY, 0.1 MILE SOUTH ALONG THIRD WEST STREET FROM THE
LO0556''INTERSECTION OF NORTH TEMPLE STREET, AT THE UNION PACIFIC DEPOT, 32.4
LO0556''FEET SOUTHEAST OF THE CENTER OF THE NORTH ENTRANCE ON THE EAST SIDE OF
LO0556''THE BUILDING, 26.5 FEET NORTHEAST OF THE CENTER OF THE SOUTH ENTRANCE
LO0556''ON THE EAST SIDE OF THE BUILDING, 14.7 FEET EAST OF THE EAST WALL OF
LO0556''THE BUILDING, 12.8 FEET WEST OF THE WEST CURB OF THE PASSENGER LOADING
LO0556''ZONE, AND IN THE TOP OF THE CENTER OF A 9- BY 9-INCH BRONZE PLATE ON
LO0556''THE TOP OF A 14- BY 14-INCH CONCRETE POST PROJECTING 2.5 FEET ABOVE
LO0556''THE CONCRETE SIDEWALK.  NOTE-- THE FOLLOWING WORDS AND NUMBERS ARE
LO0556''CAST IN THE BRONZE PLATE-- UNITED STATES BENCH MARK ELEVATION 4260.840
LO0556''FEET ABOVE MEAN SEA LEVEL GREAT SALT LAKE IS ABOUT 55 FEET LOWER THAN
LO0556''THIS MARK GEOLOGICAL SURVEY AND COAST AND GEODETIC SURVEY.
LO0556
LO0556                          STATION RECOVERY (1970)
LO0556
LO0556''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970
LO0556''RECOVERED IN GOOD CONDITION.
LO0556
LO0556                          STATION RECOVERY (1995)
LO0556
LO0556''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1995 (ALG)
LO0556''THE STREETS IN SALT LAKE CITY HAVE BEEN RENAMED.  400 WEST SHOULD BE
LO0556''USED INSTEAD OF 3RD WEST.
LO0556
LO0556                          STATION RECOVERY (1997)
LO0556
LO0556''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1997 (GAS)
LO0556''IN SALT LAKE CITY, AT THE INTERSECTION OF SOUTH TEMPLE AND 400 WEST
LO0556''STREETS, 16.8 M (55.1 FT) WEST OF THE CENTERLINE OF THE SOUTHBOUND
LO0556''LANES OF WEST STREET, 8.0 M (26.2 FT) SOUTH OF THE CENTER OF THE NORTH
LO0556''ENTRANCE TO THE UNION PACIFIC RAILROAD STATION, 1.0 M (3.3 FT) ABOVE
LO0556''THE LEVEL OF THE STREETS, ON THE EXTENDED CENTER OF SOUTH TEMPLE
LO0556''STREET, NEAR THE CENTER OF A PLANTER, AND THE MONUMENT PROJECTS 0.4 M
LO0556''(1.3 FT) ABOVE THE GROUND SURFACE.  NOTE--THE DATUM POINT IS A BOLT
LO0556''NEAR THE CENTER OF A BRONZE PLAQUE THAT IS ATTACHED TO THE CONCRETE
LO0556''MONUMENT.