Browse Items (13652 total)

Stem breakage in aspen, August 1970. Sharpe Twp.Engelhart ManagementUnit

Aerial photo of tornado path, August 1969 in White pine, lakeshore reserve. Lake Temagami. Photo 1970

Planting tube seedlings of lodgepole pine. Northwest Pulp and Power, Hinton Alberta

Aerial view of strip clearcut begun in 1962, photo 1970. Joan Peninsula, Lake Temagami.

Aerial view of strip clearcut begun in 1962, photo 1970. Joan Peninsula, Lake Temagami.

Three stages in crown decadence in 140+ yr white pine. Lake Temagami shoreline reserve.

Vigorous crown, good form in 60 yr jack pine. N.B. poor form -broken crown to right

Cronartium comptoniae (Sweetfern blister rust) cankers on 50 yr jack pine. Cairo-Flavelle Twp. Engelhart Management Unit

Cronartium comptoniae (Sweetfern blister rust) cankers on 50 yr jack pine. Cairo-Flavelle Twp. Engelhart Management Unit.

Spruce budworm damage in balsam fir. New Brunswick