TY  - RPRT
TI  - Thorium and rare earths in the United States
AU  - Jerry Chipman Olson
AU  - J.W. Adams
PY  - 1961
DO  - 10.3133/ofr61112
UR  - https://pubs.usgs.gov/publication/ofr61112
ID  - ofr61112
ER  -