@misc{indiciaeebca1b98391b,
  title = {Quality of Shallow Groundwater and Drinking Water in the Mississippi Embayment-Texas Coastal Uplands Aquifer System and the Mississippi River Valley Alluvial Aquifer, South-Central United States, 1994-2004},
  author = {Heather L. Welch and James A. Kingsbury and Roland W. Tollett and Ronald C. Seanor},
  year = {2009},
  doi = {10.3133/sir20095091},
  url = {https://pubs.usgs.gov/publication/sir20095091},
  note = {Source identifier: sir20095091}
}