@misc{indiciae769fb0b8a9fb, title = {Spirit leveling in South Carolina, 1896-1938. Part 2, Southern South Carolina}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1940}, doi = {10.3133/b890b}, url = {https://pubs.usgs.gov/publication/b890B}, note = {Source identifier: b890B} }