TY  - BOOK
AU  - Wright, Alfred J.
TI  - United States and Canada : : a regional geography / 
U1  - 917.3 WRI 
PY  - 1956///.
CY  - New York : 
PB  - Appleton- Century- Crafts, 
KW  - United States
KW  - Canada
KW  - Economic history
ER  -