@misc{indiciaea83bc2b5a3e1, title = {Index of surface-water records, part 7, Lower Mississippi River basin, to September 30, 1950}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1951}, doi = {10.3133/cir144}, url = {https://pubs.usgs.gov/publication/cir144}, note = {Source identifier: cir144} }