pl23_cgs00216.jpg
Description
Station Tractor near Roundup, Montana. An 18 foot wooden tower. It took threeoccupations to get acceptable closure on angles at this station because ofrefraction problems.
Photographer
Mr. Floyd Risvold
Display Date
1934
Location
Montana
Category
Historic Coast & Geodetic Survey
Geodesy
Oscar and Floyd Risvold
NOAA Affiliation
USC&GS;