@misc{indiciaee7b5daba7a5f, title = {Pliocene intrusive rocks and mineralization near Rico, Colorado}, author = {C. W. Naeser and C. G. Cunningham and R. F. Marvin and J. D. Obradovich}, year = {1980}, doi = {10.2113/gsecongeo.75.1.122}, url = {https://pubs.usgs.gov/publication/70047639}, note = {Source identifier: 70047639} }