@misc{indiciae2cba14d812e3,
  title = {New information resources of the U.S. Geological Survey Library System, April 1987},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1987},
  doi = {10.3133/ofr87400d},
  url = {https://pubs.usgs.gov/publication/ofr87400D},
  note = {Source identifier: ofr87400D}
}