Oscar Risvold after a season in the Alaskan wilderness on triangulation work.
Image ID: cgs00360, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Between Anchorage and Fairbanks
Photo Date: 1923
Photographer: Mr. Oscar Risvold, USC&GS
Credit: Mr. Floyd Risvold, USC&GS
• High Resolution Photo Available