Triangulation crew used velocipedes when on the Anchorage to Fairbanks railway prior to heading into the wilderness for triangulation work. Triangulation party of William Scaife.

Image ID: cgs00366, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Between Anchorage and Fairbanks
Photo Date: 1923
Credit: Mr. Floyd Risvold, USC&GS

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