MW0494 - USC&GS 'K 501' BM - Siskiyou County, CA
N 41° 36.333 W 121° 55.252
10T E 589921 N 4606544
This NGS disk is located just west of Tennant-Mt Hebron Rd.
Waymark Code: WMPPN4
Location: California, United States
Date Posted: 10/02/2015
Views: 1
I recovered this U.S. Coast & Geodetic Survey BM from 1954 in good condition. It is embedded in a low-lying lava rock boulder. The NGS datasheet is adequate for station recovery with the exception that there are no longer any telephone poles in the area. This station appears on a topography map as 'BM 4717'. The NGS coordinates are off but my more accurate posted coordinates should place you very close to this mark.
NGS datasheet info:
01/01/1954 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1954 2.1 MI N FROM TENNANT. 2.1 MILES NORTH ALONG A GRAVEL ROAD FROM THE POST OFFICE AT TENNANT, ON A LOW LAVA KNOLL, IN THE TOP OF A 3- BY 4-FOOT LAVA BOULDER PROJECTING 0.2 FEET ABOVE THE GROUND, ABOUT 100 YARDS NORTHWEST OF AND ACROSS THE ROAD FROM A LARGE LAVA KNOLL, 97 FEET SOUTH OF THE CENTER OF THE Y JUNCTION OF A TRACK ROAD LEADING EAST, 82 FEET SOUTHWEST OF AND ACROSS THE ROAD FROM A TELEPHONE POLE, 49 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 23 FEET EAST OF THE CENTER LINE OF A FIRE TRAIL, AND ABOUT 4 FEET HIGHER THAN THE ROAD.
Condition: Mark found in good condition
Designation: K 501
Benchmark Agency: U.S. Coast & Geodetic Survey
Monumentation type: BENCH MARK (or B.M.) Disk
County: Siskiyou County
USGS 7.5' Topographic Quadrangle Name (optional): Tennant (1988)
Find type: Searched @ "BM" on a topographic map
Web address of this benchmark's datasheet (optional): [Web Link]
NGS PID: MW0494
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
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- 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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