@misc{indiciae51a93ab8bd0a,
  title = {Definitions of database files and fields of the Personal Computer-Based Water Data Sources Directory},
  author = {J. Wayne Green},
  year = {1991},
  doi = {10.3133/ofr91184},
  url = {https://pubs.usgs.gov/publication/ofr91184},
  note = {Source identifier: ofr91184}
}