LT0196 - USC&GS 'N 257' BM - Lassen County, CA
Posted by: Groundspeak Premium Member NW_history_buff
N 40° 42.369 W 120° 40.372
10T E 696590 N 4508742
This NGS benchmark is located just off Highway 139 in Lassen County.
Waymark Code: WMVVDC
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 1935 in very poor condition as the concrete post has crumbled away leaving the disk exposed and easy to remove. This disk is also listed on a topography map as 'BM 5120'. The NGS datasheet description is adequate for station recovery. My more accurate coordinates will place you very close to this mark.

NGS datasheet info:

01/01/1935 by CGS (MONUMENTED)

01/01/1968 by (GOOD)
DESCRIBED 1968 27.7 MI N FROM SUSANVILLE. 27.7 MILES ALONG HIGHWAY 139 FROM THE JUNCTION OF MAIN STREET AND HIGHWAY 139 IN SUSANVILLE, AT POST MILE 27.67 ON THE EAST SIDE OF EAGLE LAKE, APPROXIMATELY 0.1 MILE SOUTH OF THE BEGINNING OF A CURVE TO THE NW AND 52 FEET EAST OF THE CENTER LINE OF THE HIGHWAY. A STANDARD DISK STAMPED N 257 1935, SET IN A CONCRETE POST PROJECTING 10 INCHES ABOVE GROUND AND MARKED WITH A METAL POST AND SURVEY MONUMENT SIGN.
Condition: Mark found in poor condition

Designation: N 257

Benchmark Agency: U.S. Coast & Geodetic Survey

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

County: Lassen County

USGS 7.5' Topographic Quadrangle Name (optional): Troxel Point (1995)

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: LT0196

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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