@misc{indiciae4dc19a59cdc0,
  title = {New information resources of the U.S. Geological Survey Library System, May 1987},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1987},
  doi = {10.3133/ofr87400e},
  url = {https://pubs.usgs.gov/publication/ofr87400E},
  note = {Source identifier: ofr87400E}
}