@misc{indiciaea0edec1621ba,
  title = {Preliminary geologic maps showing Cenozoic deposits of the Cooperstown and La Grange quadrangles, Stanislaus and Tuolumne counties, California},
  author = {Denis E. Marchand and J. A. Bartow and Susan Shipley},
  year = {1981},
  doi = {10.3133/ofr811049},
  url = {https://pubs.usgs.gov/publication/ofr811049},
  note = {Source identifier: ofr811049}
}