@misc{indiciae740a7ac751db,
  title = {Shorter contributions to general geology, 1931},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1932},
  doi = {10.3133/pp170},
  url = {https://pubs.usgs.gov/publication/pp170},
  note = {Source identifier: pp170}
}