TY  - RPRT
TI  - List of geologic maps in Alaska published by the U.S. Geological Survey, post-1930; scales 1:20,000 to 1:63,360 (through June, 1980)
AU  - S. Bartsch-Winkler
PY  - 1980
DO  - 10.3133/ofr801251
UR  - https://pubs.usgs.gov/publication/ofr801251
ID  - ofr801251
ER  -