@article{239626,
      note = {Shipping list no.: 2000-0894-M.},
      author = {Helley, Edward J. and Graymer, R. W.},
      url = {http://library.usi.edu/record/239626},
      title = {Quaternary geology of Alameda County, and parts of Contra  Costa, Santa Clara, San Mateo, San Francisco, Stanislaus,  and San Joaquin counties, California a digital database /  by E.J. Helley and R.W. Graymer. [microform] :},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
      recid = {239626},
      pages = {1 v.},
      address = {[Reston, Va.?] :},
      year = {1997},
}