@misc{indiciaeada0eef8abc5,
  title = {Geological Survey research 1981},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1982},
  doi = {10.3133/pp1275},
  url = {https://pubs.usgs.gov/publication/pp1275},
  note = {Source identifier: pp1275}
}