TY  - RPRT
TI  - Status of geologic mapping in Alaska, U.S. Geological Survey, scales 1:20,000 to 1:63,360
AU  - Susan Bartsch-Winkler
PY  - 1980
DO  - 10.3133/ofr80134
UR  - https://pubs.usgs.gov/publication/ofr80134
ID  - ofr80134
ER  -