@misc{indiciaec17b4f9c757d, title = {Two cross sections showing sand and clay zones, Atascosa and Live Oak Counties, Texas; and sand and clay zones, McMullen, Atascosa and Karnes Counties, Texas}, author = {W.W. Doyel}, year = {1952}, doi = {10.3133/ofr5235}, url = {https://pubs.usgs.gov/publication/ofr5235}, note = {Source identifier: ofr5235} }