LT0133 - USCGS 'Z 140' BM - Susanville, CA
Posted by: Groundspeak Premium Member NW_history_buff
N 40° 22.619 W 120° 34.881
10T E 705325 N 4472408
This NGS benchmark resides at a bridge crossing along Johnstonville Rd.
Waymark Code: WMNTFB
Location: California, United States
Date Posted: 04/30/2015
Published By:Groundspeak Premium Member Ernmark
Views: 2
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I recovered this U.S. Coast & Geodetic Survey benchmark from 1932 in good condition. This disk is monumented on top of concrete curb in the SE corner of a bridge spanning Sand Slough Creek. This disk also shows on a topography map as 'Z 140 BM 4136.0'. The NGS datasheet info is adequate for station recovery with the exception the words 'north curb' should read 'south curb'. My more accurate coordinates will place you very close to this station.

NGS datasheet info:

01/01/1932 by CGS (MONUMENTED)

01/01/1947 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1947 6.1 MI SE FROM SUSANVILLE. 6.1 MILES SOUTHEAST ALONG STATE HIGHWAY 36 FROM SUSANVILLE, LASSEN COUNTY, AT STATION C 265+50, AT THE BRIDGE OVER SAND SLOUGH, AND IN THE EAST END OF THE NORTH SOUTH CURB. A STANDARD DISK, STAMPED 4136.124 Z 140 1932.

Condition: Mark found in good condition

Designation: Z 140

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): Johnstonville (1988)

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

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

NGS PID: LT0133

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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