Details for Benchmark: HT1653
N 37° 19.333 W 122° 02.467 (NAD 83)
Altitude: 276.2
Coordinates may not be exact. Altitude is VERTCON and location is SCALED. (more info)
- Location:
- In SANTA CLARA county, CA View Original Datasheet
- Designation:
- Y 878 RESET 1967
- Marker Type:
- bench mark disk
- Setting:
- massive structures
- Stability:
- Probably hold position/elevation well.
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 03/09/2004 |
Wintertime couldn't find  HT1653 |
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Visit Log |
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There are no longer any streetlights along the sidewalks in this stretch of Stelling; they're all in the median strip now. Also, if the current fire hydrant is the one mentioned in this benchmark description, 16.6 feet south of it would be where there's now a driveway.
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Documented History (by the NGS)
| 01/01/1967 by CGS (MONUMENTED) |
| DESCRIBED BY COAST AND GEODETIC SURVEY 1967
0.2 MI W FROM CUPERTINO. 0.15 MILE WEST ALONG STEVENS CREEK BOULEVARD FROM THE POST OFFICE AT CUPERTINO, AT THE INTERSECTION OF STELLING ROAD, SET IN THE TOP OF THE 3 X 3-FOOT CONCRETE BASE FOR A METAL STREET-LIGHT POLE, 120.0 FEET SOUTH OF THE EXTENSION OF THE SOUTH CURB OF STEVENS CREEK BOULEVARD, 16.6 FEET SOUTH OF A FIRE HYDRANT, 2.3 FEET EAST OF THE EAST CURB OF STELLING ROAD, 1.4 FEET NORTHWEST OF THE SOUTHEAST CORNER OF THE CONCRETE BASE, AND FLUSH WITH THE SURROUNDING SIDEWALK. |
| 06/02/1991 by USPSQD (MARK NOT FOUND) |
| RECOVERY NOTE BY US POWER SQUADRON 1991 (GEP)
MARK NOT FOUND. |
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- The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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.