@misc{indiciae6b80ae40b4f5,
  title = {Geological Survey research 1978},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1978},
  doi = {10.3133/pp1100},
  url = {https://pubs.usgs.gov/publication/pp1100},
  note = {Source identifier: pp1100}
}