@misc{indiciaecdfa7f699a20, title = {Land use and land cover, 1975-78, Rapid City, South Dakota}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1981}, doi = {10.3133/l132}, url = {https://pubs.usgs.gov/publication/l132}, note = {Source identifier: l132} }