Tree planters in summer planting of black spruce. N.B.excessive slash Thunder Bay

Tree planters in summer planting of black spruce. N.B.excessive slash Thunder Bay

Douglas fir plantation planted 1965, at 6yrs. Shawinigan Division, Macmillan Bloedel, Vancouver Island.

Pitch nodule maker (Petrova albicapitana) jack pine. Geraldton

Dead branches due to Scleroderris lagerbergii. North Bay.

Tree length skidding at Camp #11, Dryden Paper Co. N.B. on left the large pile of slash.

Tree length skidding at Camp #11, Dryden Paper Co.

Tree length skidding at Camp #11, Dryden Paper Co.

Tree guard used to protect newly planted trees against mice. Not effective! Coulson tract, SW Ontario.

Effect of slope position on growth. Black spruce planted in 1968. Mean height 102cm vs 143 cm(lo vs hi). Camp 12. Black Brook. J.D.Irving.