@article{257890,
      note = {Cover title.},
      author = {Lanphere, Marvin A., and Bethke, Philip Martin,},
      url = {http://library.usi.edu/record/257890},
      title = {Duration of sedimentation of the Creede Formation  [microform]  /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
      recid = {257890},
      pages = {4 p. ;},
      address = {[Denver, Colo.] :},
      year = {2001},
}