@misc{indiciae3aaab56c3829, title = {Geology and occurrence of ground water at Jewel Cave National Monument, South Dakota}, author = {C.F. Dyer}, year = {1961}, doi = {10.3133/wsp1475d}, url = {https://pubs.usgs.gov/publication/wsp1475D}, note = {Source identifier: wsp1475D} }