TY - RPRT TI - Status of geologic mapping in Alaska, U.S. Geological Survey, scales 1:96,000 to 1:250,000 AU - Susan Bartsch-Winkler PY - 1980 DO - 10.3133/ofr80135 UR - https://pubs.usgs.gov/publication/ofr80135 ID - ofr80135 ER -