@misc{indiciae00d549d89129,
  title = {Use of USGS earth-science products by county planning agencies in the San Francisco Bay region, California},
  author = {William J. Kockelman},
  year = {1976},
  doi = {10.3133/ofr76547},
  url = {https://pubs.usgs.gov/publication/ofr76547},
  note = {Source identifier: ofr76547}
}