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Details for Benchmark: DC0862

N 32° 43.350 W 117° 10.317 (NAD 83)

Altitude: 20.21

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

Location:
In SAN DIEGO county, CA View Original Datasheet
Designation:
H 11
Marker Type:
survey disk
Setting:
massive structures with deep foundations
Stability:
Most reliable and expected to hold position/elevation well.

Must Read!

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I was geocaching in the area and thought there may be a benchmark on this building. I enjoy locating benchmarks and have never seen a building with this many. I located all 15 benchmarks on this building. It's interesting that there is not an H4, but I don't see any history of one. All were in good condition, with some having paint covering part of the mark.

[Photos:]
photoH11 - Closeup
photoH11 - Area view

Geocaching in the area with ParkerSaru, knew there were a bunch of benchmarks here so we looked around. walked through landscaping to get photo.

[Photos:]
photo

During our trip to the US I found out more about benchmarks. I tried to find as many as possible which turned out to be tricky.
This benchmark was in perfect condition.

Tipapignola and I circled the entire building and could spot most of the benchmarks, including this one.

Good to find and in almost perfect condition.

Finally got back over here (with FlagMan) to find BMs missed when the building was under construction. Disk appears to be in good condition.

[Photos:]
photoDC0862

In town with a work friend exploring the area while geocaching. This building was covered in benchmarks. She even got into the fun of finding them too!

[Photos:]
photo

Finding benchmarks here is like shooting fish in a barrel. My guess is this building was the epicenter of a lot of mapping in the area.

[Photos:]
photoDC0862_H11

Just like Hoover Dam, this place is a benchmark wonderland!! No coords needed, all were easy to spot. I grabbed 15 marks in a ten minute walk around. Most in very good shape.

[Photos:]
photoH 11

In town from Denton, Texas, visiting family. Took the kids to the new park here and went a little crazy discovering and photographing all of the benchmarks surrounding the county building!

[Photos:]
photoH11
photoH11

Found: Good. Construction will make it difficult to get to all of the BM's, but there is access to this one and a few others. I will just have to go back to log the rest after construction is completed. Being a Government job, I'm guessing that I and other Benchmarkers should not hold our breaths.

Decided to walk around town after jury duty, I had loooked up nearby BM's while waiting.
Good to get out and get some exercise on this beautiful day.

having fun walking around and looking...

having fun walking around and looking...

On the north wall closer to Pacific Highway

[Photos:]
photoDC0862 / H11 / 1938
Look for the lions head above the marker

4th of 15 found on this building.

[Photos:]
photoBM DC0862

Found with my girls, we did a quick run around the building, we missed several... we'll just have to come back.

D!

[Photos:]
photoH 11

Found during lunch. Uploading photos.
mmcgr

[Photos:]
photo100_4003
photoArea Overview

On my trip to San Diego I did the first steps in Benchmarking! Found this one easily!

[Photos:]
photoH11

Found as described in good condition.

[Photos:]
photoMark

Found it. Great old building.

[Photos:]
photoMark with GPSr

Yup, right where it should be.

N 32° 43.363 W 117° 10.291

Found this entire set while benchmarking with sdstickman. If H4 exists, it is underneath ramp east of stairway entrance to the south side of the building. Nice easy starter set for newbies. Alternative designation for set: COUNTYMOUNTIE01 thru COUNTYMOUNTIE16.

[Photos:]
photoDC0862, San Diego, CA

Found it.

[Photos:]
photoH 11

Found on a quick walk around the building

In great condition and right where it is supposed to be.

Attended 1000.

Located in good condition.

I found this the same day I found H2 which is on the north side of the building.

The coordinates were a little off on this one, but I believe it's because all of the ones around this building share a few common sets of coordinates. The coordinates are useful for finding the building, after that, you will need to read the description carefully to make sure that you are recording the correct bench mark.

[Photos:]
photobench mark disk, some surrounding
photobench mark disk, fiance, son

Documented History (by the NGS)

01/01/1938 by USGS (MONUMENTED)
01/01/1955 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1955 AT SAN DIEGO. AT SAN DIEGO, AT THE CIVIC CENTER, SET VERTICALLY IN THE NORTH CONCRETE WALL OF THE NORTHEAST WING OF THE BUILDING, DIRECTLY ABOVE A BASEMENT WINDOW, 26.6 FEET WEST OF THE NORTHEAST CORNER OF THE WING, 1.1 FEET ABOVE THE WINDOW OPENING, AND ABOUT 5 1/2 FEET HIGHER THAN THE SIDEWALK.
01/01/1967 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 RECOVERED IN GOOD CONDITION.
01/01/1978 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 RECOVERED IN GOOD CONDITION.
01/01/1987 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION.
01/01/1988 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1988 (JBC) RECOVERED IN GOOD CONDITION.
01/01/1989 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1989 (GG) RECOVERED IN GOOD CONDITION.
12/06/1997 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 orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • 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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