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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. (Image credit: Mr. Floyd Risvold)
Photographer
Mr. Floyd Risvold
Display Date
1934
Location
Montana
Collection
Historic Coast & Geodetic Survey
Geodesy
Oscar and Floyd Risvold
NOAA Affiliation
USC&GS;