TY - RPRT TI - Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in eleven quadrangles in northern Alaska, supplement to Open-File Report 75-628: Part A — Summaries of data to January 1, 1981 AU - Edward Huntington Cobb AU - Charles F. Mayfield AU - William Peters Brosge PY - 1981 DO - 10.3133/ofr81767a UR - https://pubs.usgs.gov/publication/ofr81767A ID - ofr81767A ER -