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Details for Benchmark: DX3532

N 33° 15.417 W 116° 20.267 (NAD 83)

Altitude: 525.46

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

Location:
In SAN DIEGO county, CA View Original Datasheet
Designation:
U 1326
Marker Type:
bench mark disk
Setting:
a metal rod with base plate buried/screwed into the ground
Stability:
May hold, but of type commonly subject to surface motion.

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N 33° 15.414 W 116° 20.196

Found disk in good condition. Hard to get a decent photo as dirt kept falling back into the hole.

[Photos:]
photoDX3532
U1326

I found this one while caching with friends.

Fd with Ragfoot and RoxieMama, ParkerSaru and dillweed. Out in the area for the geocaching event.

Ragfoot dug it out an hour ago and it was already filled with dirt.

@2:43 PM on the mark buried in a proper location next to a stake.

Found this one after logging the nearby geocache. Thanks.

[Photos:]
photoBenchmark near 4:10 to Borrego

Almost missed it but after some digging we got it exposed!

Found at 8:15 p.m. with just a bit of digging. Thanks for the pink flag hint!!

[Photos:]
photoU1326

I also had to dig this one out, but it is currently marked with pink flagging tape. Description adequete.
The Fossillady

[Photos:]
photoU1326
N 33° 15.413 W 116° 20.207

After digging this out - it was buried about 8 inches deep in sand (pushed on top by a grader) - benchmark was found to be in good shape. This is 100 yards east of the listed coordinates, and at mile mark 21.1, not 21.2 as in the description. This was about the 6th time I looked, but the first when I had a digging instrument ready.

[last edit: 8/5/2003 11:15:17 PM PST]

[last edit: 8/6/2003 6:07:22 AM PST]

[Photos:]
photoView looking west
photoDX3532

Documented History (by the NGS)

01/01/1978 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1978 0.55 MI EAST FROM BORREGO SPRINGS. 0.55 MILE EAST ALONG COUNTY ROAD S22 FROM THE BORREGO ELEMENTARY SCHOOL, 0.2 MILE EAST OF MILE POST 21, 0.65 MILE WEST OF THE BORREGO VALLEY AIRPORT SUN AIRLINES FLIGHT BUILDING, 27.7 FT. SOUTH OF THE CENTER LINE OF THE ROAD, 2.1 FT. EAST OF POWER POLE 643292 H, THE DISK IS 1 INCH ABOVE GROUND, ACCESS TO WHICH IS HAD THROUGH A 4-INCH PLASTIC SCREW PLUG. 1 FOOT ABOVE ROAD. 1 FOOT WEST OF A WITNESS POST.
06/28/1995 by CADT (GOOD)
RECOVERY NOTE BY CALTRANS 1995 (ATD) THE STATION WAS LEVELED TO BY CADT AS A PART OF THE 1995 PERIPHERAL RUN IN SAN DIEGO COUNTY TO ESTABLISH NAVD 1988.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in May 2000.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (G = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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