@article{220040,
      recid = {220040},
      author = {Yerkes, R. F., and Campbell, Russell H.,},
      title = {Preliminary geologic map of the Canoga Park 7.5ʹ  quadrangle, southern California, a digital database /},
      publisher = {The Survey,},
      address = {[Menlo Park, Calif.] :},
      year = {1995},
      note = {Accompanied by text (8 leaves ; 28 cm.).},
      abstract = {This database delineates map units that are identified by  general age and stratigraphic position.},
      url = {http://library.usi.edu/record/220040},
}