@misc{indiciae3482603ec3cd, title = {Relationship of Precambrian quartzite-schist sequence along Coal Creek to Idaho Springs Formation, Front Range, Colorado}, author = {J. D. Wells and D. M. Sheridan and A. L. Albee}, year = {1964}, doi = {10.3133/pp454o}, url = {https://pubs.usgs.gov/publication/pp454O}, note = {Source identifier: pp454O} }