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Details for Benchmark: AC9281

N 35° 31.583 W 120° 42.367 (NAD 83)

Altitude: 805.4

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

Location:
In SAN LUIS OBISPO county, CA View Original Datasheet
Designation:
S 1450 RESET
Marker Type:
vertical control disk
Setting:
pavements (street, sidewalk, curb, apron, etc.)
Stability:
Mark of questionable or unknown stability.

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Found at N35 31.579 W120 42.299

[Photos:]
photoAC9281 - Atascadero, Ca
photoAC9281 - Looking NW

Found as described.

Found while going to Home Depot.

Found this benchmark after finding a nearby cache with grandson. Agree with previous log as to description.

Just like the description states, but the coords should be N35.31.579-W120.42.293. On the SW side of the bridge.

Documented History (by the NGS)

01/01/1996 by CADT (MONUMENTED)
DESCRIBED BY CALTRANS 1996 (ES) 5.9 KM (3.65 MI) NORTHERLY ALONG U. S. HIGHWAY 101 FROM THE JUNCTION OF MORRO AVENUE IN ANASCADERO ON BRIDGE SOUTHWEST END ON BRIDGE SIDEWALK SET 3.5 INCH BRASS DISK IN SOUTHWESTLY SIDEWALK OF SAN RAMON OVER CROSSING, 1.5 FEET (0.5 M) NORTHERLY OF SOUTH EDGE SIDEWALK, 3.5 FEET (1.1 M) SOUTHERLY OF FRONT LINE CURB, 18.5 FEET (5.6 M) SOUTHERLY OF CENTERLINE SAN RAMON, 16.8 FEET (5.1 M) EASTERLY OF SOUTHWEST OF SAN RAMON OVER CROSSING, 1.0 FOOT (0.3 M) ABOVE ROADWAY.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was computed from unverified reset data.
  • The geoid height was determined by GEOID99.

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