TY  - BOOK
AU  - Lobeck,A.K.
TI  - The geology and physiography of the Mammoth Cave national park,
T2  - Kentucky. Geological survey. Ser. VI. Pamphlet XXI
AV  - QE115 .A3 ser. 6, no. 21
PY  - 1928///
CY  - Frankfort, Ky.
PB  - The Kentucky Geological survey
KW  - Geology
KW  - Kentucky
KW  - Mammoth Cave
KW  - Physical geography
KW  - Mammoth Cave (Ky.)
ER  -