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Details for Benchmark: FV0137

N 35° 33.733 W 120° 36.433 (NAD 83)

Altitude: 951.3

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

Location:
In SAN LUIS OBISPO county, CA View Original Datasheet
Designation:
T 561
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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Found at N35 33.859 W120 36.423. On S. El Pomar Road, approximately 0.7 miles south of the intersection of S. El Pomar and Creston Rd. Witness post is gone. Trees are still there in the fenceline. The telephone pole cable (guywire) is gone but it's cleat is still there. Cleat is approximately 4.6 feet N of the center tree. Mark is 26 1/2 feet west of the centerline of the road, 10 1/2 feet east of the center one of three trees in the fenceline, approximately 9.8 feet E of cleat. Mark is approximately 3 inches below soil. County Route F34A is now Templeton Rd. County Route F34B is now S.El Pomar Rd. There is no longer a railroad station in Atascadero.

[Photos:]
photoFV0137 - San Luis Obispo County, Ca
photoFV0137 - Setting

Documented History (by the NGS)

01/01/1957 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1957 9.1 MI NE FROM ATASCADERO. 1.2 MILES SOUTHEAST ALONG STATE HIGHWAY 125 FROM THE SOUTHERN PACIFIC COMPANY RAILROAD STATION AT ATASCADERO, THENCE 2.6 MILES NORTH ALONG SAN LUIS OBISPO COUNTY ROUTE F 35 A, THENCE 5.3 MILES NORTHEAST ALONG SAN LUIS OBISPO COUNTY ROUTE F 34 B, 0.7 MILE SOUTH OF THE JUNCTION OF PASO ROBLES-CRESTON ROAD, NEAR THE CENTER ONE OF THREE OAK TREES USED AS FENCE POSTS, 26 1/2 FEET WEST OF THE CENTER LINE OF THE ROAD, 10 1/2 FEET EAST OF A 20-INCH OAK TREE, 2 FEET SOUTH OF A TELEPHONE CABLE POLE, 1.9 FEET NORTH OF A WITNESS POST, ABOUT 3 FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND.
01/01/1961 by DOD (GOOD)
RECOVERY NOTE BY US DEPARTMENT OF DEFENSE 1961 RECOVERED IN GOOD CONDITION.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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.

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