"Reconnaissance map of North Fork of Koyukuk and Hammond River drainages," by Robert Marshall, Jess Allen, and Alexander Retzlaf, August 1929 Line map showing camp sites, named peaks, and the Arctic-Pacific Divide
Relief shown by contours and spot heights. From Alfred H. Brooks, The geography and geology of Alaska : a summary of existing knowledge (professional paper) Inset: [Aleutian Islands]. Ancillary map: [Alaska survey index]. "Professional Paper No....
Relief shown by contours. "Topography by R. H. Sargent and C. G. Anderson." "Geology by J. B. Mertie, Jr., G. L. Harrington, A. G. Madden, H. M. Eakin, P. S. Smith, and J. E. Spurr." "Surveyed in 1898, 1908, 1912, 1914, 1915, and 1917." ...
Includes notes on geology and seal populations. Relief shown by shading and hachures. "Surveyed & drawn July 1872, by Henry W. Elliott." Manuscript map; hand colored.
Title from verso. Photograph of a volcano erupting. Verso reads: "Umnak -- Shooting hot volcanic ash bombs high into the air, a long-dormant crater nearby Mount Tulik gave soldiers at this Aleutian base some anxious moments this summer. ...
(4:40 min) (12 of 17) Flying for DGGS pt.1
As a pilot for Division of Geology and Geodetic Surveys had emergency call to fly in whiteout conditions to get a badly burned man at another station. Flying under 200 ft. elevation so not to miss...
(4:16 min) (13 of 17) Flying for DGGS pt. 2
As a pilot for Division of Geology and Geodetic Surveys had emergency call to fly in whiteout conditions to get a badly burned man at another station. Flying under 200 ft. elevation so not to miss...
Title taken from caption. "9299 -- (39) Here we see the miners digging loose the bank and shoveling the dirt into the stream. Sometimes blasting is used to loosen the bank. The stream carries the soil with the gold which is in it to a sluice...