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General view of plantations and cutovers. N.B. age classes and trees left along the stream. Copper Canyon, M&B Vancouver Island.

Douglas fir. Plantations were established in small clearcuts. Copper canyon M&B, Vancouver Island.

Douglas plot with N, P, K and Cu added. c.f. slide 989 and note the difference in growth and colour. Razès.

Downtown Port Arthur, 1910. Presently corner of Red River Road and Cumberland Street, Thunder Bay.

Downtown Port Arthur, aerial photo, 1959.

Dowty forwarder being loaded in the bush. Load = 1.5 cords (2.407 cu. m.) CIP Val d'Or.

Dowty forwarder loading truck. CIP Val d'Or

Dowty forwarder loading truck. CIP Val d'Or

Dowty forwarder loading truck. CIP Val d'Or.