@misc{indiciae9cc07de488c6,
  title = {Index of surface-water records, part 6, Missouri River basin, to September 30, 1950},
  author = {R.E. Oltman},
  year = {1951},
  doi = {10.3133/cir116},
  url = {https://pubs.usgs.gov/publication/cir116},
  note = {Source identifier: cir116}
}