@article{198516,
      note = {Distributed to depository libraries in microfiche.},
      author = {Yerkes, R. F., and Campbell, Russell H.,},
      url = {http://library.usi.edu/record/198516},
      title = {Preliminary geologic map of the Calabasas 7.5' quadrangle,  Southern California [microform] /},
      publisher = {The Survey ;},
      recid = {198516},
      pages = {1 map.},
      address = {[Menlo Park, CA] :},
      year = {1993},
}