@article{68151,
      recid = {68151},
      author = {Patterson, Sam H.},
      title = {Geology and refractory clay deposits of the Haldeman and  Wrigley Quadrangles, Kentucky /},
      publisher = {U.S. G.P.O.,},
      address = {Washington :},
      pages = {vi, F1-F113 p. :},
      year = {1962},
      note = {"Prepared in cooperation with the Kentucky Geological  Survey and the Kentucky Agricultural and Industrial  Development Board."},
      url = {http://library.usi.edu/record/68151},
}