@misc{indiciae7f7f1cdf895c,
  title = {Abstracts of papers presented at the Geographic information systems symposium, June 2-4, 1987, Reston, Virginia},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1987},
  doi = {10.3133/ofr87314},
  url = {https://pubs.usgs.gov/publication/ofr87314},
  note = {Source identifier: ofr87314}
}