@misc{indiciae19f279b4d651, title = {Mines and prospects, Lawson-Dumont-Fall River district, Clear Creek County, Colorado}, author = {C. C. Hawley and Frank R. Moore}, year = {1967}, doi = {10.3133/ofr67109}, url = {https://pubs.usgs.gov/publication/ofr67109}, note = {Source identifier: ofr67109} }