TY  - BOOK
ED  - National Geographic Society (U.S.). Special Publications Division.
TI  - Trails West
SN  - 0870442724
PY  - 1979///
CY  - Washington, D.C.
PB  - National Geographic Society
KW  - Trails
KW  - West (US)
KW  - Overland journeys to the Pacific
KW  - West (U.S)
KW  - Description and travel
KW  - 1951-1980
N1  - Bibliography: p. 207; Includes index
ER  -