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MW0835 - USC&GS 'OVERPASS' Reference Mark 1 - Modoc County, CA - U.S. Benchmarks on Waymarking.com
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MW0835 - USC&GS 'OVERPASS' Reference Mark 1 - Modoc County, CA
in
U.S. Benchmarks
Posted by:
NW_history_buff
N 41° 42.303 W 121° 16.884
10T E 642988 N 4618456
An NGS reference mark as part of the OVERPASS series just west of Highway 139 and just SW of an overpass bridge.
Waymark Code:
WMVJ3M
Location:
California, United States
Date Posted:
04/23/2017
Published By:
Ernmark
Views:
1
Download this waymark:
.GPX File
.LOC File
.KML File (Google Earth)
I recovered the U.S. Coast & Geodetic Survey reference mark from 1948 in good condition. The mark is located west of Highway 139 and on top of a small hill and just south of an overpass bridge and about 30 feet south of the triangulation station. The mark was buried under dirt and it is overshadowed by a juniper tree to the south.
NGS datasheet info for reference mark 1:
REFERENCE MARK NUMBER 1, STAMPED OVERPASS NO 1 1948, IS A STANDARD REFERENCE DISK CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 3 INCHES AND IS THE SAME ELEVATION AS THE STATION.
Condition:
Mark found in good condition
Designation:
OVERPASS RM 1
Benchmark Agency:
U.S. Coast & Geodetic Survey
Monumentation type:
REFERENCE MARK Disk
County:
Modoc County
USGS 7.5' Topographic Quadrangle Name (optional):
Perez (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:
MW0835
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:
A closeup photo of the mark taken by you is required.
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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