TY  - RPRT
TI  - Mineral production of Alaska in 1939
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1940
DO  - 10.3133/ofr4012
UR  - https://pubs.usgs.gov/publication/ofr4012
ID  - ofr4012
ER  -