Clearcut 1970-1973, jack pine & white spruce planted 1973-1976. Then released 1986-87. Colenso Twp. Dryden.

Jack pine planted 1973 after 14 years. Released 1986-87. Colenso Twp. Dryden.

Jack Pine planted 1973, released (hand cleaning) 1986-87. Colenso Twp. Dryden.

Jack pine from seeding. Firesteel River. Persons are Dave Wray & Ron Calvert. Thunder Bay.

Jack pine from seeding. Firesteel River. Person is Ron Calvert. N.B. this stand was heavily thinned by mice when ca. 5 yrs.

Jack pine planted 1976 at 11 years. N.B. canker. cf. slides #1274-1278. Block 3, Raith, Abitibi-Price freehold. Thunder Bay.

Aerial view of clearcutting in Boreal forest north of Timmins

Aerial view of black spruce regeneration following clearcutting in 1950's. N.B. strips still visible. cf. slide #2032. North of Timmins.

Aerial view of areas cut 1950-1960, 28-38yrs later. N.B. mixed species no treatments. South of Godson Lake, Dryden.

Aerial view of forest including area seeded to jack pine in 1963, after clearcutting. South of Godson Lake. Dryden.