@misc{indiciae84f314dddc4a, title = {Preliminary geologic map of the Commerce City Quadrangle, Adams and Denver counties, Colorado}, author = {R. M. Lindvall}, year = {1979}, doi = {10.3133/mf1067}, url = {https://pubs.usgs.gov/publication/mf1067}, note = {Source identifier: mf1067} }