CDAT 'CM 55' Control Monument - Modoc County, CA
Posted by: Groundspeak Premium Member NW_history_buff
N 41° 33.257 W 121° 09.827
10T E 653130 N 4601918
This CDAT control monument resides just off Highway 139.
Waymark Code: WMVPHW
Location: California, United States
Date Posted: 05/14/2017
Published By:Groundspeak Premium Member Ernmark
Views: 0

I recovered this California Department of Transportation control monument in good condition. There is a nearby metal witness post that aids in recovery. The monument is a 2.5" aluminum disk monumented on top of low-lying lava rock projecting about 4 inches above the ground and about 25-30 feet southwest of Highway 139 and on top of a small lava rock outcrop embankment. This control monument does not exist in the NGS database. My posted coordinates should place you very close to this mark.
Condition: Mark found in good condition

Designation: CM 55

Benchmark Agency: California Department of Transportation (CA)

Monumentation type: Control Monument, Survey Control, Control Survey

County: Modoc County

Find type: Found by luck/skill/knowledge

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

USGS 7.5' Topographic Quadrangle Name (optional): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

Web address of this benchmark's datasheet (optional): Not listed

NGS PID: Not listed

Local database's URL (optional): 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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