TY  - RPRT
TI  - Alkalic rocks and resources of thorium and associated elements in the Powderhorn District, Gunnison County, Colorado
AU  - J. C. Olson
AU  - D. C. Hedlund
PY  - 1981
DO  - 10.3133/pp1049c
UR  - https://pubs.usgs.gov/publication/pp1049C
ID  - pp1049C
ER  -