@article{152625,
      recid = {152625},
      author = {Greb, Stephen F. and Williams, D. A. and Williamson, Allen  D.},
      title = {Geology and stratigraphy of the western Kentucky coal  field /},
      publisher = {University of Kentucky,},
      address = {Lexington :},
      pages = {77 p. :},
      year = {1992},
      note = {One map on folded leaf in pocket: "Structure on the base  of the Springfield (W.Ky. no. 9) coal."},
      url = {http://library.usi.edu/record/152625},
}