@misc{indiciae38136c0a93a6,
  title = {New information resources of the U.S. Geological Survey Library System, December 1989},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1989},
  doi = {10.3133/ofr89400l},
  url = {https://pubs.usgs.gov/publication/ofr89400L},
  note = {Source identifier: ofr89400L}
}