TY  - BOOK
AU  - Parkman,Francis
AU  - Driggs,Howard R.
AU  - Holmes M.D.
AU  - Jackson,William H.
TI  - The oregon trail / 
U1  - 979.503 PAR 
PY  - 1931///
CY  - Chicago
PB  - The John C. Winston Company
KW  - States of Great Basin and Pacific slope
KW  - The Oregon trail
ER  -