@misc{indiciae913d3f5d979c, title = {Report of progress in the geological resurvey of the Cripple Creek district, Colorado}, author = {Waldemar Lindgren and F. L. Ransome}, year = {1904}, doi = {10.3133/b254}, url = {https://pubs.usgs.gov/publication/b254}, note = {Source identifier: b254} }