@misc{indiciae97c15417effa,
  title = {Water resources data for South Dakota; water year 1977},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1978},
  doi = {10.3133/wdrsd771},
  url = {https://pubs.usgs.gov/publication/wdrSD771},
  note = {Source identifier: wdrSD771}
}