@misc{indiciaef168cbd3cc8f,
  title = {Flood-prone areas in the Napa River drainage basin, Napa County, California, including St. Helena, Rutherford, Yountville, Napa, and Cuttings Wharf 7 1/2-minute quadrangles},
  author = {U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/70210291},
  url = {https://pubs.usgs.gov/publication/70210291},
  note = {Source identifier: 70210291}
}