@misc{indiciae3e12df0029d3,
  title = {New information resources of the U.S. Geological Survey Library System, April 1990},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1990},
  doi = {10.3133/ofr90400d},
  url = {https://pubs.usgs.gov/publication/ofr90400D},
  note = {Source identifier: ofr90400D}
}