@article{12460,
      author = {Williams, James Steele,},
      url = {http://library.usi.edu/record/12460},
      title = {Fluorspar deposits of western Kentucky /},
      publisher = {U.S. Govt. Print. Off.,},
      recid = {12460},
      pages = {3 v. :},
      address = {Washington :},
      year = {1954},
}