@misc{indiciae0286bec6011b,
  title = {An estimate of cost savings to Federal and State governments resulting from expanded USGS map production},
  author = {Stephen R. Gillespie and David L. Saghy},
  year = {1992},
  doi = {10.3133/ofr92376},
  url = {https://pubs.usgs.gov/publication/ofr92376},
  note = {Source identifier: ofr92376}
}