MW0274 - USC&GS 'U 506' BM - Modoc County, CA
Posted by: Groundspeak Premium Member NW_history_buff
N 41° 13.611 W 121° 11.985
10T E 650886 N 4565502
An NGS benchmark located just off County Road 93.
Waymark Code: WMVVBG
Location: California, United States
Date Posted: 05/28/2017
Published By:Groundspeak Premium Member Ernmark
Views: 1

I recovered this U.S. Coast & Geodetic Survey benchmark from 1954 in good condition although the disk face has been hammered on by rocks, the disk stamping is still legible and the disk itself is still sound in its setting. This disk is also listed on a topography map as 'BM 4203'. The NGS datasheet description is adequate for station recovery. My more accurate coordinates will place you very close to this mark.

NGS datasheet info:

01/01/1954 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1954 3.1 MI NW FROM LOOKOUT. 3.1 MILES NORTHWEST ALONG A GRAVELED ROAD FROM THE POST OFFICE AT LOOKOUT, 0.2 MILE NORTHWEST OF A WIRE FENCE AND A CATTLE GUARD, IN THE TOP OF A 7- BY 7-FOOT BOULDER WHICH PROJECTS 1 FOOT ABOVE THE GROUND, 120 1/2 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 18 1/2 FEET NORTHWEST OF A FORKED JUNIPER TREE, 2.9 FEET NORTHEAST OF A WITNESS POST, 1 1/2 FEET NORTH OF THE SOUTH EDGE OF THE BOULDER, AND ABOUT LEVEL WITH THE ROAD.

01/17/1986 by USPSQD (POOR)
RECOVERY NOTE BY US POWER SQUADRON 1986 (JS) MARK RECOVERED IN POOR CONDITION.
Condition: Mark found in good condition

Designation: U 506

Benchmark Agency: U.S. Coast & Geodetic Survey

Monumentation type: BENCH MARK (or B.M.) Disk

County: Modoc County

USGS 7.5' Topographic Quadrangle Name (optional): Lookout (1993)

Find type: Coordinates and/or to-reach information from the NGS database (or Geocaching's copy of it) were used

Web address of this benchmark's datasheet (optional): [Web Link]

NGS PID: MW0274

Local database's URL (optional): [Web Link]

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

Visit Instructions:
  1. A closeup photo of the mark taken by you is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
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