TY  - RPRT
TI  - United States Geological Survey uranium and thorium resource assessment and exploration research program : fiscal year 1981
AU  - Terry W. Offield
PY  - 1980
DO  - 10.3133/ofr801175
UR  - https://pubs.usgs.gov/publication/ofr801175
ID  - ofr801175
ER  -