@misc{indiciae4f5c6645c4fe,
  title = {United States Geological Survey Yearbook, fiscal year 1987},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1988},
  doi = {10.3133/70039037},
  url = {https://pubs.usgs.gov/publication/70039037},
  note = {Source identifier: 70039037}
}