@misc{indiciaeec878bc387a0,
  title = {Water resources data for Nebraska, water year 1972; part 2, water quality records},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/wdrne722},
  url = {https://pubs.usgs.gov/publication/wdrNE722},
  note = {Source identifier: wdrNE722}
}