@misc{indiciae7ab52cb9f2b7,
  title = {Major geohydrologic units in and adjacent to the Ozark Plateaus province, Missouri, Arkansas, Kansas and Oklahoma — Western Interior Plains confining system},
  author = {Jeffrey L. Imes},
  year = {1990},
  doi = {10.3133/ha711h},
  url = {https://pubs.usgs.gov/publication/ha711H},
  note = {Source identifier: ha711H}
}