@misc{indiciae5a9dfbf7a69d, title = {United States Geological Survey, programs in South Dakota}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1995}, doi = {10.3133/fs04195}, url = {https://pubs.usgs.gov/publication/fs04195}, note = {Source identifier: fs04195} }