@misc{indiciae91c08726fa09,
  title = {U.S. Geological Survey yearbook, fiscal year 1993: At work across the Nation},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1994},
  doi = {10.3133/7000094},
  url = {https://pubs.usgs.gov/publication/7000094},
  note = {Source identifier: 7000094}
}