Chemical impregnation of trees and poles for wood preservation
WILFORD, B. H
Chemical impregnation of trees and poles for wood preservation - Washington 1944 - 30p
FOREST ECOLOGY
AGRICULTURE -- U.S FOREST ECOLOGY
634.9 W47O
Chemical impregnation of trees and poles for wood preservation - Washington 1944 - 30p
FOREST ECOLOGY
AGRICULTURE -- U.S FOREST ECOLOGY
634.9 W47O