@misc{indiciae110306c930ce,
  title = {Bibliography of Oklahoma hydrology; reports prepared by the U.S. Geological Survey and principal cooperating agencies, 1901-93},
  author = {J. S. Havens},
  year = {1993},
  doi = {10.3133/ofr93448},
  url = {https://pubs.usgs.gov/publication/ofr93448},
  note = {Source identifier: ofr93448}
}