@misc{indiciae22fdbb58f7ae, title = {Surface geology of the Jeptha Knob cryptoexplosion structure, Shelby County, Kentucky}, author = {Earle Rupert Cressman}, year = {1981}, doi = {10.3133/pp1151b}, url = {https://pubs.usgs.gov/publication/pp1151B}, note = {Source identifier: pp1151B} }