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Details for Benchmark: EV1212

N 34° 04.667 W 117° 15.583 (NAD 83)

Altitude: 1054.9

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

Location:
In SAN BERNARDINO county, CA View Original Datasheet
Designation:
E 527 RESET
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Found with Supercheeseburger

Followed fellow Geo-cacher kewnsue's footsteps and NGS instructions and found this Benchmarker in good condition with my Geo-partner Dyer55. Both of us will be using my pictures for reference.

[Photos:]
photoEV1212
photoEV1212-1
photoEV1212-2

Got to be one of the easiest finds I've ever had. This one isn't likely to go anywhere, any time soon.

[Photos:]
photoEasy find.
N 34° 04.639 W 117° 15.591

Yep easy find.

[Photos:]
photoEV1212

Saw it from the street. Good condition.

good condition. easy find.

Documented History (by the NGS)

1/1/1959 by CA-071 (MONUMENTED)
DESCRIBED BY SAN BERNARDINO COUNTY CALIFORNIA 1959 1 MI S FROM NORTON AFB. ABOUT 1.0 MILE SOUTH ALONG TIPPECANOE AVENUE FROM GATE 1 AT NORTON AIR FORCE BASE, AT THE T JUNCTION OF SAN BERNARDINO AVENUE, 100 FEET SOUTH OF THE CENTERLINE OF SAN BERNARDINO AVENUE, AND 45 FEET WEST OF THE CENTERLINE OF TIPPECANOE AVENUE, AND SET IN A CONCRETE BASE OF THE SOUTHEAST LEG OF ELECTRIC TOWER NUMBER 125910.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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