@misc{indiciae58b98aca8039, title = {Digital geology and topography of the Charleston quadrangle, Charleston and Berkeley Counties, South Carolina}, author = {R. E. Weems and E. M. Lemon and P. G. Chirico}, year = {1997}, doi = {10.3133/ofr97531}, url = {https://pubs.usgs.gov/publication/ofr97531}, note = {Source identifier: ofr97531} }