@misc{indiciaebec01eb98c70, title = {Geohydrologic units of the Gulf Coastal Plain in Arkansas}, author = {J. C. Petersen and M.E. Broom and W. V. Bush}, year = {1985}, doi = {10.3133/wri854116}, url = {https://pubs.usgs.gov/publication/wri854116}, note = {Source identifier: wri854116} }