TY  - BOOK
AU  - Jackson,Donald Dale
ED  - Time-Life Books.
TI  - Underground worlds
SN  - 0809443201 :
AV  - GV200.62 .J33 1982
U1  - 796.5/25 19
PY  - 1982///
CY  - Alexandria, Va.
PB  - Time-Life Books
KW  - Caving
KW  - History
KW  - 19th century
KW  - 20th century
KW  - Caves
N1  - Includes index; Bibliography: p. 170-172; Explorers of a stygian realm -- The birth of speleology -- "In the grip of the demon adventure" -- Masters of making do -- The sporting science
N2  - Text and pictures explore some of the world's great caves and cavern formations
UR  - http://www.archive.org/details/undergroundworld00jack
UR  - http://www.openlibrary.org/books/OL3481434M
ER  -