Browse Items (13651 total)

Demonstration by unemployed men on Machar Avenue, Port Arthur. Donor: Luoto. 2 copies
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Demonstration of effects of grit, peat and sand mulches on seedling growth. Results published in Tree Planters Notes: 26:4:8-9. Mulching, black spruce, 1+0.

Demonstration of unemployed controlled by six R.C.M.P. officers, Port Arthur, early 1930's. Donor: Luoto. 2 copies.

Demonstration plot to show control of competing vegetation. Negro barn. Medford. The person is Steve Hobbs. This is one of Oregon state Univ. FIR plots

White spruce planted 1965, 1964 plantation in the background. CIF meeting. Veneer Hill, Black Brook, J.D.Irving

Canadian Institute of Forestry tour Camp 16, Black Brook, J.D.Irving N.B. slow growth of red spruce in the foreground on log yard area. cf.slide #601

Denis delimber at work. Ostrum siding. Ontario Paper.