pl23_cgs00211.jpg
Description
Vic Smith and Dube Erickson at triangulation station along the 46th Parallel.The instrument was an old style theodolite that had to be physically lifted offits support to reverse it.
Photographer
Mr. Floyd Risvold
Display Date
1934 July
Location
Montana, 46th Parallel Survey
Collection
Historic Coast & Geodetic Survey
Geodesy
Oscar and Floyd Risvold
NOAA Affiliation
USC&GS;