TY  - RPRT
TI  - Thorium resources of selected regions in the United States
AU  - Mortimer Hay Staatz
AU  - R.B. Hall
AU  - D. L. Macke
AU  - T.J. Armbrustmacher
AU  - I. K. Brownfield
PY  - 1980
DO  - 10.3133/cir824
UR  - https://pubs.usgs.gov/publication/cir824
ID  - cir824
ER  -