@misc{indiciae6f4ebb251f2e,
  title = {Shorter contributions to general geology, 1926},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1927},
  doi = {10.3133/pp147},
  url = {https://pubs.usgs.gov/publication/pp147},
  note = {Source identifier: pp147}
}