@misc{indiciaea76c37aa06ea,
  title = {Suggestions for prospecting},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1989},
  doi = {10.3133/70039396},
  url = {https://pubs.usgs.gov/publication/70039396},
  note = {Source identifier: 70039396}
}