A reconnaissance in northern Alaska, across the Rocky mountains, along Koyukuk, John, Anaktuvuk, and Colville rivers, and the Arctic coast to cape Lisburne, in 1901 Schrader, Frank Charles, 1860-1944 creator Peters, W. J. (William John), 1863-1942 contributor text book Washington Govt. print. off 1904 1904
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ENG Alaska Geology Mines and mineral resources QE75 .P9X United States. Geological survey. Professional paper no. 20. Ser A, Economic geology, 28; B, Descriptive geology, 34 https://www.biodiversitylibrary.org/bibliography/61914 5796927 04007696 10.5962/bhl.title.61914 DLC