Skip to Content

Details for Benchmark: EV0945

N 34° 04.250 W 117° 14.617 (NAD 83)

Altitude: 1108.2

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

Location:
In SAN BERNARDINO county, CA View Original Datasheet
Designation:
W 523
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

Must Read!

Benchmarks may be on private property or in dangerous locations. Obey local laws. By using the services on Geocaching.com you agree to this disclaimer.

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:]
photoEV0945
photoEV0945-1
photoEV0945-2

Found in good condition.

[Photos:]
photoEV0945
photoEV0945 area

Found this one this afternoon without difficulty. Lots of construction going on in the area. Wonder if they will take out the base this one is on? 4XNURSE

[Photos:]
photoIMGP1325.JPG

great condition

Looks Good

N 34° 04.258 W 117° 14.623

Easy find. Found it in good condition on my way to work this morning.

[Photos:]
photoEV0945

Found in good condition at location described in datasheet.

[Photos:]
photoEV0945 Disk
photoEV0945 Area
View looking North. Mark is on Southwest wing wall South bound on Tippiecanoe from Lugonia.

Documented History (by the NGS)

1/1/1956 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1956 AT SAN BERNARDINO. AT SAN BERNARDINO, 1.2 MILES SOUTH ALONG MT. VIEW AVENUE FROM THE GATE TO THE NORTON AIR FORCE BASE REFUSE GROUNDS, NEAR THE Y JUNCTION OF LUGONIA AVENUE LEADING SOUTHEAST, AT A CONCRETE BRIDGE OVER A DEEP CANAL, IN THE TOP OF THE EAST END OF THE SOUTHWEST CONCRETE WING WALL, 14.4 FEET WEST OF THE CENTER LINE OF MT. VIEW AVENUE, 0.8 FOOT WEST OF THE CONCRETE CURB, ABOUT 1/2 FOOT LOWER THAN THE CURB, AND ABOUT LEVEL WITH THE AVENUE.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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

Advertising with Us

Return to the Top of the Page