MW0230 - USCGS 'S 602' BM - Modoc County, CA
N 41° 36.700 W 121° 12.752
10T E 648933 N 4608204
This NGS benchmark is located along Hwy 139 and across the road from a quarantine station in Modoc County, CA.
Waymark Code: WMMV29
Location: California, United States
Date Posted: 11/06/2014
Views: 2
I recovered this U.S. Coast & Geodetic Survey benchmark from 1940 in good condition. It is easily spotted from the highway by an orange carsonite witness post and the tall concrete post it is monumented on top of. The most recent NGS datasheet log and my more accurate coordinates will place you very close to this mark.
01/01/1940 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1940 22.8 MI NW FROM CANBY. 22.8 MILES NORTHWEST ALONG THE CANBY-KLAMATH FALLS HIGHWAY FROM THE JUNCTION WITH U.S. HIGHWAY 299 AT CANBY, MODOC COUNTY, OPPOSITE THE STATE QUARANTINE STATION OFFICE, 48 FEET NORTHEAST OF THE CENTERLINE OF THE HIGHWAY, AT A WHITE WOODEN WITNESS POST, AND ABOUT 2 FEET HIGHER THAN THE HIGHWAY. A STANDARD DISK, STAMPED S 602 1940 AND SET IN THE TOP OF A CONCRETE POST.
01/01/1981 by LOCSUR (GOOD)
RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1981 RECOVERED IN GOOD CONDITION.
STATION RECOVERY (2007)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2007 (DW)
MONUMENT PROJECTS 0.5 M ABOVE GRASS LEVEL. CARSONITE WITNESS POST
REPLACES WOODEN ONE. MARK IS 16.7 M PROXIMATE TO BEGINNING OF
SE-BOUND RAMP TO INSPECTION STATION AND 53 M NW OF CENTER OF DRIVEWAY
TO CARETAKER'S HOUSE. IT IS 4.7 MILES SE ALONG CA 139 FROM
INTERSECTION WITH FOREST SERVICE ROAD 47, LEADING TO LAVA BEDS NAT'L
MONUMENT. GRAVITY BASE STATION 'HACKAMORE,' C 11, NN 1729 IS ON GROUND 0.43 M BELOW MARK.
Condition: Mark found in good condition
Designation: S 602
Benchmark Agency: U.S. Coast & Geodetic Survey
Monumentation type: BENCH MARK (or B.M.) Disk
County: Modoc County
USGS 7.5' Topographic Quadrangle Name (optional): SPAULDING BUTTE (1993)
Find type: Found by luck/skill/knowledge
Web address of this benchmark's datasheet (optional): [Web Link]
NGS PID: MW0230
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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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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