@misc{indiciae86e13e614481,
  title = {Geology and water resources of the Santa Ynez River basin, Santa Barbara County, California},
  author = {J. E. Upson and H.G. Thomasson},
  year = {1951},
  doi = {10.3133/wsp1107},
  url = {https://pubs.usgs.gov/publication/wsp1107},
  note = {Source identifier: wsp1107}
}