Mammoth Cave
and the
Cave Region of Kentucky
(1924) 153 + 6 p. + 2 topo. ple. + 1 map. ple., foto. b/n., 190x135 mm.
Ed. The Standard Printing Company. Louisville.
Introduction, H. C. Nelson. Bibliography of Mammoth Cave, Willard Rouse Jillson. First Accurate Underground Survey, H. Bruce Huffman, C.E.
Helen F. RANDOLPH
E.A. Martel, a la seva visita de l'any 1912
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