Details for Benchmark: CG0308
N 31° 47.267 W 110° 53.050 (NAD 83)
Coordinates may not be exact. Altitude is VERTCON and location is SCALED. (more info)
- In PIMA county, AZ View Original Datasheet
- FOREST SERVICE
- Marker Type:
- survey disk
- massive structures
- Probably hold position/elevation well.
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Documented History (by the NGS)
|Unknown by USFS (MONUMENTED)
|01/01/1962 by NGS (GOOD)
|DESCRIBED BY NATIONAL GEODETIC SURVEY 1962
7.3 MI SE FROM CONTINENTAL. 6.9 MILES SOUTHEAST ALONG A PAVED ROAD FROM CONTINENTAL, THENCE 0.35 MILE SOUTH ON PAVED ROAD. THE MARK IS SET IN THE NORTHEAST CORNER OF A CONCRETE BRIDGE GUARD RAIL WITH FS 3663.20 PAINTED ON IT.
- 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- The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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.