TY  - BOOK
AU  - Duncan, Donald P.
TI  - A laboratory manual in farm forestry: designed for the upper midwestern United States
U1  - 634.998234 21st ed.
PY  - 1951///
CY  - Minnesota
PB  - Burgess Publishing
KW  - Farm forestry
KW  - Forest trees
KW  - Forestry
KW  - Forests
KW  - Timbers
ER  -