TY  - BOOK
AU  - Winther Oscar Osburn
TI  - Transportation frontier :  Trans-Mississippi West   
T2  - Histories of the American Frontier
U1  - X4:7327.M9<--M65, K4 
PY  - 1964///
CY  - New York
PB  - Holt Rinehart and Winston      
KW  - Transport Economics  -- United States
ER  -