Douglas fir area pre-commercially thinned (spaced) 3 yrs later. N.B. deterioration of slash. cf. slides #1478

Black spruce at 11yrs. From seed. Spruce River Road. Abitibi-Price, person is Frank Robinson.

Early cement-filled barrel (ca.1960s). N.B. iron spikes (railroad track). Spruce River Rd. Abitibi-Price.

Natural regeneration of jack pine 9 yrs. after summer logging (clearcut). Spruce River Rd. Abitibi-Price.

White pine weevil damage in jack pine

Chart of development of infection in lodgepole pine stand

Chart of characteristics of main species of mistletoe

Chart of hosts of mistletoe

Diagram of mistletoe on host

Mistletoe life history diagram