TY  - BOOK
AU  - Tunis , Theophilus 
TI  - Forestry for profit: how the woodlot can be made to pay 
U1  - 634.991 21st ed
PY  - 1923///
CY  - New York
PB  - G.P. Putnams
KW  - Forest economics
KW  - Forests and forestry
ER  -