2006-06-01

GU1690 - X 237

This mark was ORIGINALLY VISITED on February 14, 2003.

County: FRESNO
State: CALIFORNIA

PUBLISHED DATA
Lat: 36° 11.950
Long: 120° 19.600
Alt: 792.1
Designation: X 237
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.

Documented History (by the NGS)
1/1/1935 by CGS (MONUMENTED)

1/1/1958 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 3.8 MI S FROM OILFIELDS. 3.75 MILES SOUTH ALONG STATE HIGHWAYS 33 AND 198 FROM THE Y JUNCTION OF STATE HIGHWAYS 33 AND 198 AT OILFIELDS, IN R15E T20S S10, 0.1 MILE NORTHEAST AND ACROSS THE HIGHWAY FROM A FENCE CORNER AND A BOARD GATE, 45 FEET NORTHWEST OF THE CENTER LINE OF THE HIGHWAY, 2 FEET SOUTHWEST OF A WITNESS POST, ABOUT 1 1/2 FEET HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 1/2 FOOT ABOVE THE GROUND.

1/1/1972 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 RECOVERED IN GOOD CONDITION.

1/1/1983 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983 THE MARK IS 0.3 M ABOVE THE HIGHWAY. RECOVERED IN GOOD CONDITION. NEW DESCRIPTION FOLLOWS. 8.2 KM (5.1 MI) NORTH ALONG STATE HIGHWAY 33 FROM THE CITY HALL IN COALINGA, 1.05 KM (0.6 MI) NORTHEAST OF THE Y JUNCTION OF TORNADO AVENUE, 13.7 METERS (45 FT) NORTHWEST OF THE HIGHWAY CENTERLINE, 121.4 METERS (398 FT) NORTHEAST OF THE NORTHEAST GATE POST FOR A PIPE GATE, 27.1 METERS (89 FT) NORTHEAST OF THE NORTHEAST END OF A WOODEN RIGHT OF WAY FENCE BRACE, 0.3 METER (1 FT) NORTHWEST OF THE RIGHT OF WAY FENCE. THE MARK IS 0.3 METERS SW FROM A WITNESS POST.

1/1/1984 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1984 RECOVERED IN GOOD CONDITION.

1/1/1985 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1985 RECOVERED IN GOOD CONDITION.

1/1/1987 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION.

8/28/1991 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991 7.9 KM (4.90 MI) NORTHERLY ALONG STATE HIGHWAY 33 FROM THE CITY HALL IN COALINGA, 27.1 M (88.9 FT) NORTHEAST OF A BRACED FENCE POST, 13.7 M (44.9 FT) NORTHWEST OF THE CENTERLINE OF THE HIGHWAY, 0.6 M (2.0 FT) ABOVE THE LEVEL OF THE HIGHWAY, 0.4 M (1.3 FT) NORTHWEST OF A FENCE, 0.3 M (1.0 FT) SOUTHWEST OF A WITNESS POST, AND THE MONUMENT PROJECTS 0.2 M (0.7 FT) ABOVE THE GROUND SURFACE.


FOUND DATA
Lat: 36° 11.971
Long: 120° 19.617
Alt: NA

Found it at 17:40, 14 February 2003. Found it as described and in good condition.

WGS84 coordinates found by 2.5 minute occupation with 9 strong satellites and 1 WAAS satellite.

Benchmark detail.


The concrete post setting.


View to the north showing the benchmark, concrete post, and witness post.


Benchmark detail.


View to the northeast showing the benchmark, concrete post, and witness post relative to the highway (SR33/SR198).


View to the north showing the benchmark, concrete post, and witness post.


View to the southwest showing the benchmark, concrete post, and witness post relative to the highway (SR33/SR198).