Title taken from text.
Album caption: Ice running in Tanana river at Delta just before the freeze-up 1912. Signal Corps linesmen crossed here daily going to and fro from their work during the run of ice.
Remainder of title: Thomas Riggs, Jr., Member Alaskan Engineering Commission, and C. W. Richie and H. J. Atwell, Acting Register and Receiver of the United States Land Office, at Fairbanks, Alaska.