@misc{indiciaeec73e57554ef,
  title = {The U.S. Geological Survey Federal-State cooperative water- resources program; fiscal year 1987},
  author = {B.K. Gilbert and William B. Mann},
  year = {1988},
  doi = {10.3133/ofr88174},
  url = {https://pubs.usgs.gov/publication/ofr88174},
  note = {Source identifier: ofr88174}
}