@misc{indiciaed324be817c5c,
  title = {Trends in climate and in precipitation-runoff relation in Missouri River Basin},
  author = {Roy E. Oltman and Hubert J. Tracy},
  year = {1951},
  doi = {10.3133/cir98},
  url = {https://pubs.usgs.gov/publication/cir98},
  note = {Source identifier: cir98}
}