TY  - BOOK
AU  - Little , Elbert L.
TI  - The Audubon Society field guide to North American trees: western region
U1  - 581.977 21st ed.
PY  - 1980///
CY  - New York
PB  - Alfred A. Knopf
KW  - North America
KW  - Plants
N1  - 617-39 includes index
ER  -