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Details for Benchmark: FV1028

N 35° 32.900 W 120° 52.683 (NAD 83)

Altitude: 1389.7

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:
GWM 32 USGS
Marker Type:
survey 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 32.899 W120 52.651

[Photos:]
photoFV1028 - California Central Coast
photoFV1028 - Setting
Looking NW towards culvert

Documented History (by the NGS)

Unknown by USGS (MONUMENTED)
01/01/1943 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1943 14.6 MI E FROM CAMBRIA. 14.6 MILES EAST ALONG STATE HIGHWAY 41 FROM CAMBRIA, SAN LUIS OBISPO COUNTY, AT THE TOP OF A HILL, ABOUT 240 FEET SOUTHEAST OF THE EAST END OF THE SOUTH HEADWALL OF A 4-FOOT CULVERT, AND 15 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED 1387.2 G W M 32 AND SET IN THE TOP OF A CONCRETE POST.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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