TY - RPRT TI - Explanation of fields used in the Alaska Resource Data File of mines, prospects, and mineral occurrences in Alaska AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1996 DO - 10.3133/ofr9679 UR - https://pubs.usgs.gov/publication/ofr9679 ID - ofr9679 ER -