TY  - BOOK
AU  - Powell,John Wesley
TI  - La  exploración del Gran Cañon del Colorado
SN  - 8485346939
AV  - 002 F 788 P884e 1983
U1  - 979.1/3 22
PY  - 1983///
CY  - Barcelona
PB  - Laertes
KW  - Powell, John Wesley,
KW  - Canyons
KW  - Colorado River (Colo.-Mexico)
KW  - History
KW  - 19th century
KW  - Description and travel
KW  - Discovery and exploration
KW  - Southwest, New
N1  - Título original: the exploration of the Colorado River and its canyons, Traduccion de: Marta Perez
ER  -