pl23_cgs00377.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23cgs00377jpgDescription
A look into the canyon of the Salmon River from above.
Photographer
Mr. Floyd Risvold
Display Date
1945 July
Location
Idaho, River of No Return Wilderness, Salmon River
Category
Historic Coast & Geodetic Survey
Geodesy
Oscar and Floyd Risvold
NOAA Affiliation
USC&GS;
Keywords
Geodesy Interior Views
Triangulation