@misc{indiciae5658920b6b53, title = {Reconnaissance geologic map of the Chama Peak Quadrangle, Conejos and Archuleta counties, Colorado}, author = {P. W. Hail Lipman}, year = {1975}, doi = {10.3133/mf682}, url = {https://pubs.usgs.gov/publication/mf682}, note = {Source identifier: mf682} }