@article{198977,
      recid = {198977},
      author = {Bartow, J. Alan.},
      title = {Contact relations of the Ione and Valley Springs  formations in the east-central Great Valley, California  [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      address = {[Menlo Park, CA] :},
      pages = {13 leaves, [1] leaf of plates :},
      year = {1992},
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/198977},
}