@misc{indiciae8c368218a0ba,
  title = {United States Geological Survey Yearbook, fiscal year 1990},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1991},
  doi = {10.3133/70184439},
  url = {https://pubs.usgs.gov/publication/70184439},
  note = {Source identifier: 70184439}
}