@misc{indiciae740fc5d4e91d,
  title = {Preliminary geologic map of Solano County and parts of Napa, Contra Costa, Marin, and Yolo counties, California},
  author = {J. D. Sims and K. F. Fox and J. A. Bartow and E. J. Helley},
  year = {1973},
  doi = {10.3133/mf484},
  url = {https://pubs.usgs.gov/publication/mf484},
  note = {Source identifier: mf484}
}