@misc{indiciae95335e182e2b,
  title = {Shorter contributions to general geology, 1920},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1921},
  doi = {10.3133/pp128},
  url = {https://pubs.usgs.gov/publication/pp128},
  note = {Source identifier: pp128}
}