Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in eleven quadrangles in northern Alaska [electronic resource] : supplement to Open-file report 75-628 : Part A--summaries of data to January 1, 1981 / by Edward H. Cobb, Charles F. Mayfield, and William P. Brosge.
Imprint
[Reston, Va.] : U.S. Dept. of the Interior, Geological Survey, 1981.