@misc{indiciae4b3a67ce7750,
  title = {Geological Survey research 1970, Chapter A},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1970},
  doi = {10.3133/pp700a},
  url = {https://pubs.usgs.gov/publication/pp700A},
  note = {Source identifier: pp700A}
}