@misc{indiciaec3933f11faea, title = {Land use and land cover, 1972-76, Greeley, Colorado; Wyoming}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1980}, doi = {10.3133/l188}, url = {https://pubs.usgs.gov/publication/l188}, note = {Source identifier: l188} }