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Details for Benchmark: GT0961

N 36° 19.667 W 119° 40.367 (NAD 83)

Altitude: 238.8

Coordinates may not be exact. Altitude is VERTCON and location is SCALED. (more info)

Location:
In KINGS county, CA View Original Datasheet
Designation:
N 511
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Documented History (by the NGS)

01/01/1955 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1955 1.6 MI W FROM HANFORD. 1 BLOCK SOUTH ALONG DOUTY STREET FROM THE POST OFFICE AT HANFORD, THENCE 1.6 MILES WEST ALONG STATE HIGHWAY 198, AT THE INTERSECTION OF 12TH AVENUE, 164.7 FEET WEST OF THE CENTER LINE OF THE AVENUE, 41.0 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 1.8 FEET WEST OF A WITNESS POST, 1.3 FEET EAST OF POWER LINE POLE 367 560 E, ABOUT LEVEL WITH THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. NEAR THE NORTHEAST CORNER OF SECTION 34, T18S, R21E. NOTE-- THIS AREA OF THE HIGHWAY WAS RECENTLY WIDENED.
01/01/1970 by NGS (MARK NOT FOUND)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 MARK NOT FOUND.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The geoid height was determined by GEOID99.