@misc{indiciaea94449d599e9, title = {Preliminary report on the geology of part of the Babb fault system, Crittenden and Livingston Counties, Kentucky}, author = {G. C. Hardin and W. R. Thurston and R. D. Trace and H. E. Rothrock}, year = {1943}, doi = {10.3133/ofr435}, url = {https://pubs.usgs.gov/publication/ofr435}, note = {Source identifier: ofr435} }