TY  - RPRT
TI  - Age of mineralization at Summitville, Colorado, as indicated by K-Ar dating of Alunite
AU  - H. H. Mehnert
AU  - P. W. Lipman
AU  - T. A. Steven
PY  - 1973
DO  - 10.2113/gsecongeo.68.3.399
UR  - https://pubs.usgs.gov/publication/70206955
ID  - 70206955
ER  -