@article{226774,
      note = {Folded map in pocket.},
      author = {Harwood, David S. and Helley, Edward J.},
      url = {http://library.usi.edu/record/226774},
      title = {Late Cenozoic tectonism of the Sacramento Valley,  California /},
      publisher = {U.S. G.P.O. ;},
      recid = {226774},
      pages = {iv, 46 p. :},
      address = {Washington :},
      year = {1987},
}