TY  - RPRT
TI  - Thorium and rare earths in the United States, exclusive of Alaska and Hawaii
AU  - J. C. Olson
AU  - J. W. Adams
PY  - 1962
DO  - 10.3133/mr28
UR  - https://pubs.usgs.gov/publication/mr28
ID  - mr28
ER  -