@misc{indiciaefa2b4d63e5f3, title = {Land use and land cover, 1975-76, Alliance, Nebraska; South Dakota}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1980}, doi = {10.3133/l171}, url = {https://pubs.usgs.gov/publication/l171}, note = {Source identifier: l171} }