The Alaska Mineral Resource Assessment Program: Guide to Information Contained in Folio of Geologic and Mineral Resource Maps of the Philip Smith Mountains Quadrangle, Alaska, Issues 752-759
Eleanor K. Keefer · Garnett P. Williams · Marjorie C. Mullens · Ruth A. Atherton · Geological Survey (U.S.) · James Alfred Calkins
Jan 1949 · U.S. Department of the Interior, Geological Survey