Details for Benchmark: CH0106
N 31° 59.133 W 112° 59.633 (NAD 83)
Coordinates may not be exact. Altitude is VERTCON and location is SCALED. (more info)
- In PIMA county, AZ View Original Datasheet
- R 308
- Marker Type:
- bench mark disk
- set into the top of a round concrete monument
- May hold, but of type commonly subject to surface motion.
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Documented History (by the NGS)
|01/01/1952 by CGS (MONUMENTED)
|DESCRIBED BY COAST AND GEODETIC SURVEY 1952
18.45 MI NW FROM LUKEVILLE. 0.95 MILES NORTH ALONG THE SONOYTA-AJO HIGHWAY FROM THE POST OFFICE AND STORE AT LUKEVILLE, THENCE 14.05 MILES WEST ALONG A ROAD LEADING TO QUITOVIQUITO TO A Y JUNCTION, THENCE 0.45 MILE NORTH ALONG A ROAD LEADING NORTH TO BATES WELL AND AJO TO A Y JUNCTION, THENCE 3 MILE NORTHEAST ALONG A ROAD TO DRIPPING SPRINGS, 54 1/2 FEET WEST OF THE CENTER LINE OF THE ROAD, 2.3 FEET SOUTH OF THE WITNESS POST, AND ABOUT LEVEL WITH THE ROAD, AND IN A CONCRETE POST PROJECTING 0.3 FOOT.
- 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- The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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.