@misc{indiciaec5a8f162dda4,
  title = {Shorter contributions to general geology, 1918},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1918},
  doi = {10.3133/pp120},
  url = {https://pubs.usgs.gov/publication/pp120},
  note = {Source identifier: pp120}
}