@article{238456, recid = {238456}, author = {Lobeck, A. K.}, title = {The geology and physiography of the Mammoth Cave national park,}, publisher = {The Kentucky Geological survey,}, address = {Frankfort, Ky.,}, pages = {7 p. ℓ., 69 p. incl. front., illus., maps, diagrs.}, year = {1928}, url = {http://library.usi.edu/record/238456}, }