TY  - GEN
AU  - Dolnick,Edward
TI  - Down the great unknown: John Wesley Powell's 1869 journey of discovery and tragedy through the Grand Canyon 
SN  - 006019619X
AV  - F788 .D65 2001
U1  - 917.91/3044 
PY  - 2001///
CY  - New York
PB  - HarperCollins
KW  - Powell, John Wesley,
KW  - Explorers
KW  - United States
KW  - Biography
KW  - Grand Canyon (Ariz.)
KW  - Discovery and exploration
KW  - Description and travel
KW  - Colorado River (Colo.-Mexico)
N1  - Includes bibliographical references (p. [341]-354) and index
ER  -