@misc{indiciae251c6739be5b,
  title = {Map showing areas serviced by municipal and private water-distribution agencies, San Francisco Bay region, California, 1970},
  year = {1971},
  doi = {10.3133/mf329},
  url = {https://pubs.usgs.gov/publication/mf329},
  note = {Source identifier: mf329}
}