@misc{indiciaeb85855b25c3a, title = {Land use and land cover, 1975-76, Denver, Colorado}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1981}, doi = {10.3133/l118}, url = {https://pubs.usgs.gov/publication/l118}, note = {Source identifier: l118} }