@misc{indiciae4530432c37c1,
  title = {Geology of the Hayward Quadrangle, California},
  author = {G. D. Robinson},
  year = {1956},
  doi = {10.3133/gq88},
  url = {https://pubs.usgs.gov/publication/gq88},
  note = {Source identifier: gq88}
}