TY  - BOOK
AU  - Williamson, A.W.
TI  - Cottonwood in the Mississippi valley
U1  - 634.9723 21st ed.
PY  - 1913///
CY  - United States
PB  - Department of Agriculture, Government of United States
KW  - Cottonwood-Mississippi valley
KW  - Poplar-Mississippi valley
ER  -