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Details for Benchmark: HS2957

N 37° 16.017 W 121° 55.867 (NAD 83)

Altitude: 214.4

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

Location:
In SANTA CLARA county, CA View Original Datasheet
Designation:
T 879 RESET 1958
Marker Type:
bench mark 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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This is what I get for searching for benchmarks without having read the geocaching.com logs first. I could have saved myself the trouble of looking for this one. Oh well, at least I know from Marky's 2002 photos that i was in the right place. I thought the cement looked fairly new.

This baby is gone. The sidewalk has been completely done over. Wonder why they couldn't have put it bacK?

I drove by this benchmark and noticed that the general area was under construction and the sidewalk was torn up. I will take a closer look to see what its status is.

[last edit: 8/27/2002 2:21:52 PM PST]

N 37° 16.032 W 121° 55.883

Near the intersection, just follow the text description.

[Photos:]
photoHS2957
HS2957 Benchmark
photoCurb
View of the curb
photoArco
Looking east at the Arco Station

Thought I knew exactly where this was -- on property line of Arco station and tattoo parlor. No benchmark there. Checked all around the other nearby power poles and couldn't find it there either. Near where I parked, by that property line, I did find a concrete disc but there was no benchmark in the center. Either it's gone or I'm blind!

Documented History (by the NGS)

01/01/1958 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1958 7.3 MI SW FROM SAN JOSE. 2.2 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD FROM THE STATION AT SAN JOSE, THENCE 2.0 MILES SOUTH ALONG ALMADEN ROAD, THENCE 3.1 MILES WEST ALONG FOXWORTHY AVENUE, AT THE INTERSECTION OF UNION AVENUE, 50 FEET SOUTH OF THE CENTERLINE OF FOXWORTHY AVENUE, 29 FEET EAST OF THE CENTERLINE OF UNION AVENUE, 2.5 FEET WEST OF A POWERLINE POLE, ABOUT 0.3 FOOT ABOVE THE AVENUES, AND SET IN THE TOP OF A 12-INCH CONCRETE CYLINDER THAT PROJECTS 0.1 FOOT ABOVE THE GROUND.
01/01/1967 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 RECOVERED IN GOOD CONDITION.
05/04/1991 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1991 (JB) RECOVERED IN GOOD CONDITION.
03/16/1996 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1996 RECOVERED IN GOOD CONDITION.
03/15/1997 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1997 RECOVERED IN GOOD CONDITION.

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.