MW0210 - '115 GWM USGS' BM - Modoc County, CA
Posted by: Groundspeak Premium Member NW_history_buff
N 41° 40.533 W 121° 21.317
10T E 636903 N 4615060
This NGS benchmark lies just off the Lava Beds National Monument Rd within the Lava Beds National Monument in Modoc County, CA.
Waymark Code: WMFFB3
Location: California, United States
Date Posted: 10/10/2012
Published By:Groundspeak Premium Member Ernmark
Views: 3

I located this benchmark after seeing it listed on a topography map as BM 4225. The benchmark is in great shape although the original wooden witness post has burned down to the base from a fire that spread through the area in 2005.

NGS datasheet info:

01/01/1949 by USGS (MONUMENTED)

01/01/1954 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 6.9 MI W FROM PEREZ. 0.45 MILE SOUTH ALONG A GRAVEL ROAD FROM THE SOUTHERN PACIFIC COMPANY RAILROAD WATER TANK AT PEREZ, THENCE 2.65 MILES SOUTHWEST ALONG THE GRIMMET ROAD FROM THE JUNCTION OF STATE HIGHWAY 139, THENCE 3.8 MILES NORTHWEST ALONG A DIRT ROAD, 0.3 MILE WEST OF A POWER LINE CROSSING, 81 1/2 FEET WEST OF THE CENTER OF THE JUNCTION OF THE WEST LEG OF A TRIANGLE FORMED BY A TRACK ROAD LEADING NORTH TO AN OLD RAILROAD ROCK CRUSHER, 40 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 1.5 FEET NORTH OF A WITNESS POST, ABOUT 1/2 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT HIGHER THAN THE GROUND.
Condition: Mark found in good condition

Designation: 115 GWM USGS

Benchmark Agency: U.S. Geological Survey

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

County: Modoc County

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

Find type: Searched @ "BM" on a topographic map

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

NGS PID: MW0210

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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ChapterhouseInc wrote comment for MW0210 - '115 GWM USGS' BM - Modoc County, CA 08/11/2013 ChapterhouseInc wrote comment for it
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