The geology and physiography of the Mammoth Cave national park,
Lobeck, A. K. 1886-1958.
The geology and physiography of the Mammoth Cave national park, by Armin Kohl Lobeck. Illustrated with thirty-nine photographs, maps, and diagrams. - Frankfort, Ky., The Kentucky Geological survey, 1928. - 7 p. l., 69 p. incl. front., illus., maps, diagrs. 23 cm. - Kentucky. Geological survey. Ser. VI. Pamphlet XXI .
gs 28000376
Geology--Kentucky--Mammoth Cave.
Physical geography--Kentucky--Mammoth Cave.
Mammoth Cave (Ky.)
QE115 / .A3 ser. 6, no. 21
The geology and physiography of the Mammoth Cave national park, by Armin Kohl Lobeck. Illustrated with thirty-nine photographs, maps, and diagrams. - Frankfort, Ky., The Kentucky Geological survey, 1928. - 7 p. l., 69 p. incl. front., illus., maps, diagrs. 23 cm. - Kentucky. Geological survey. Ser. VI. Pamphlet XXI .
gs 28000376
Geology--Kentucky--Mammoth Cave.
Physical geography--Kentucky--Mammoth Cave.
Mammoth Cave (Ky.)
QE115 / .A3 ser. 6, no. 21