@article{229427,
      author = {Lemke, Richard Walter,},
      url = {http://library.usi.edu/record/229427},
      title = {Geologic setting of the Glacier Peak and Mazama ash-bed  markers in west-central Montana /},
      publisher = {U.S. Govt. Print. Off.,},
      recid = {229427},
      pages = {iv, 31 p. :},
      address = {Washington :},
      year = {1975},
}