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Details for Benchmark: HT0979

N 37° 52.300 W 122° 15.683 (NAD 83)

Altitude: 249.4

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

Location:
In ALAMEDA county, CA View Original Datasheet
Designation:
H 29
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

Must Read!

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On campus this Sunday doing Wherigo caches with Melodious Musicians. Just starting to learn how to find and log these!

[Photos:]
photoH29

Found while walking at Cal with NoETA4.

[Photos:]
photoH29 benchmark

I went in these doors so many times when I was on campus -- never noticed this benchmark.

Still in good shape. My coords are N 37 52.317 W 15.706. Should get you to the right door.

This entry was edited by BerkeleyBoomers on Saturday, 21 February 2015 at 03:35:29 UTC.

[Photos:]
photoBenchmark HT0979, Life Sciences Bldg

Found while walking the CAL Campus today.

Found it as described, still in good condition.

[Photos:]
photoH 29 Berkeley CA
H 29 on UC Berkeley Campus, HT0979
photoH 29 Berkeley CA Location
H 29 on UC Berkeley campus

First find ever!

Found it as described. Still in good condition.

Found as described

An easy find on the steps of an interesting building.

[Photos:]
photoHT0979
photoLooking south to the mark at the top of the steps

Found it during our walk trought the campus.

Found while visiting the campus today.

[Photos:]
photoDisk
photoLocation

One of 7 benchmarks found tonight while poking around Berkeley after dark. (Tried for an 8th but someone was sleeping really near ground zero so we thought it best to come back to that one later.) Stopped by Top Dog for a snack on the way home too.

[Photos:]
photoa bug's view

Found this while caching the campus on a quiet day.

Another Benchmark

First I found the student busily studying 2 feet from the disk. Had to explain the interuption..... but there it was.

Found this one with Scott and Keith while walking around campus.

[Photos:]
photoH29 Alameda County, CA

Found this one on a stroll through campus.

An "easy" find compared to some others on campus.

N 37° 52.328 W 122° 15.709

After a major renovation, the Life Sciences Building is now officially named the Valley Life Sciences Building, but the survey marker is still in the same place.

[This entry was edited by ltleelim on Saturday, October 06, 2007 at 11:03:03 PM.]

[Photos:]
photoH 29 marker, Life Sciences Bldg, Berkeley, CA
photoH 29 location, Life Sciences Bldg, Berkeley, CA

Recovered in good condition.

[Photos:]
photoHT0979 Setting on Science Building
photoHT0979

A little painted over, but still there.

[Photos:]
photoHT0979 BM
photoThe Stairs
photoBerkeley Science Building

Documented History (by the NGS)

01/01/1937 by CGS (MONUMENTED)
01/01/1956 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1956 AT BERKELEY. AT BERKELEY, ALAMEDA COUNTY, AT THE UNIVERSITY OF CALIFORNIA CAMPUS, AT THE EAST SIDE OF THE NORTH ENTRANCE TO THE SCIENCE BUILDING, IN THE TOP OF THE TOP STEP OF THE EAST BALUSTRADE, AND ABOUT 1 FOOT FROM THE WALL OF THE BUILDING. A STANDARD DISK, STAMPED H 29 1937.
01/01/1987 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1987 (RAS) RECOVERED IN GOOD CONDITION.
01/01/1987 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1987 (RJS) RECOVERED IN GOOD CONDITION.
01/01/1989 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1989 (GRB) 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.

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