@misc{indiciae6755e640a193,
  title = {Geological Survey research 1980},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1980},
  doi = {10.3133/pp1175},
  url = {https://pubs.usgs.gov/publication/pp1175},
  note = {Source identifier: pp1175}
}