TY  - RPRT
TI  - Reconnaissance for radioactivity in the metal-mining districts of the San Juan Mountains, Colorado
AU  - Charles Thomas Pierson
AU  - W.F. Weeks
AU  - F. J. Kleinhampl
PY  - 1958
DO  - 10.3133/b1046o
UR  - https://pubs.usgs.gov/publication/b1046O
ID  - b1046O
ER  -