@misc{indiciae823dbe0dd11b,
  title = {Water-resources activities of the U.S. Geological Survey in South Dakota; fiscal years 1987-88},
  author = {E. M. Decker},
  year = {1989},
  doi = {10.3133/ofr89231},
  url = {https://pubs.usgs.gov/publication/ofr89231},
  note = {Source identifier: ofr89231}
}