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Details for Benchmark: AB8642

N 33° 48.600 W 117° 53.967 (NAD 83)

Altitude: 154.33

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

Location:
In ORANGE county, CA View Original Datasheet
Designation:
2000 J
Marker Type:
survey disk
Setting:
footings/foundation walls of small/medium structures
Stability:
May hold, but of type commonly subject to surface motion.

Must Read!

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A second benchmark since Siikosys is running two races.

In the area today searching for geocaches and benchmark. This one is still in good condition.

Final find of the day with Klemmer and NJE.

[Photos:]
photoAB8642 (Anaheim, Calif.)
photoAB8642 location

Klemmer was kind enough to chauffeur Wintertime and me around Anaheim to pick up some benchmarks. A nice change from my central Florida haunts.

[Photos:]
photoAB8642

Found as decribed. Last of our eight "Power Benchmarking" finds in about 2 hours with Patty & Nick. Well, only 7 for me, since I had found one of them previously. Fun day!

[Photos:]
photoAB8642 disc near Disneyland!
photoAB8642 Area

Parking for this one is the hard part. After parking, just follow the directions to the disk. It is in good condition but the stampings are pretty light and a little bit hard to read. The disk is next to a power substation and sits with a couple of signal control boxes.
Tigger 2

[Photos:]
photoTigger with the disk.
photoClose up of the disk.
photoWide shot .

Documented History (by the NGS)

01/01/1980 by CA0080 (MONUMENTED)
08/16/1994 by MWDSC (GOOD)
DESCRIBED BY METRO WATER DISTR SO. CALIFORNIA 1994 (JDG) ANAHEIM, NEAR SOUTHWEST CORNER OF INTERSECTION OF CERRITOS AVENUE AND LEWIS STREET, 60 FEET (18.3 M) WEST OF CENTERLINE OF LEWIS STREET, 34 FEET (10.4 M) SOUTH OF CENTERLINE OF CERRITOS AVENUE, FLUSH IN TOP OF NORTHEAST CORNER OF 6 FEET (1.8 M) BY 5 FEET (1.5 M) MWDSC CONCRETE METER STRUCTURE, A 2 INCH CITY OF ANAHEIM BRASS DISK STAMPED CITY OF ANAHEIM BM 2000 J. NEAR OCF STA. 1294+00 REFERENCE MWD FB 2011 03 056.

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 February 1997.
  • 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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