@misc{indiciae52504ea586dd,
  title = {Quaternary geologic map of the Milpitas Quadrangle, Alameda and Santa Clara counties, California},
  author = {E. J. Helley and J. R. Wesling},
  year = {1989},
  doi = {10.3133/ofr89671},
  url = {https://pubs.usgs.gov/publication/ofr89671},
  note = {Source identifier: ofr89671}
}