PZ0743 - USCGS MAMMOTH NO 1 - 1950 - Idaho
Posted by: Volcanoguy
N 44° 19.958 W 113° 04.955
12T E 333965 N 4910927
U.S. Coast & Geodetic Survey reference mark MAMMOTH NO 1.
Waymark Code: WMEVPG
Location: Idaho, United States
Date Posted: 07/10/2012
Views: 4
This reference mark is located along Idaho Hwy. 28 about 45 miles northwest of Terreton, Idaho and 28 miles southeast of Leadore. The cap is in a ten inch square concrete monument about 25 feet southwest of MAMMOTH and about 13 feet northwest of centerline of road to the Charcoal Kilns. The cap is actually an azimuth mark cap which was set by the U.S. Coast & Geodetic Survey in 1950 and was marked MAMMOTH NO 1. The cap has been hit and is folded in half.
NGS PID PZ0743 - (
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DESCRIBED BY COAST AND GEODETIC SURVEY 1950 (WRH) THE STATION IS LOCATED ALONG STATE HIGHWAY 28. IT IS ABOUT 12-1/2 MILES AIRLINE SOUTHEAST OF GILMORE, ABOUT 28 MILES AIRLINE SOUTHEAST OF LEADORE, AND ABOUT 44-1/2 MILES AIRLINE NORTHWEST OF TERRETON. REFERENCE MARK NUMBER ONE IS A STANDARD DISK STAMPED MAMMOTH NO 1 1950 SET IN TOP OF A 10-INCH SQUARE CONCRETE MONUMENT WHICH PROJECTS 4 INCHES HIGHER THAN THE GROUND AND IS ABOUT 10 INCHES HIGHER THAN THE STATION. IT IS 20 FEET SOUTHWEST OF A SIGN MAMMOTH CANYON AND 13 FEET WEST OF THE CENTER LINE OF A DIRT ROAD.