Helicopter seeding of jack pine, Port Arthur

Clear cut 1960, site prepared 1962, aerially seeded Fall 1962 with jack pine @ 40,000 seeds/acre; Photo July 1963. Bennewis Twp.Gogama

Same areas slide #286. Aerially seeded 1962. This photo was taken in 1964.

Same area as slide # 286, seeded 1962. This photo is from 1966. Bennewis Twp. Gogama

Same area as slide #286. Seeded 1962; this photo 1968. Bennewis Twp. Gogama

J.D. Irving road right of way, Black Brook. N.B. cleanness of road area.

Road under construction at a stream crossing. J.D.Irving, Black Brook.

Marden duplex brush cutter

Spacing trial est. A.D.Hall, 1949, Pine Springs Dorset.

A.D. Hall plots est. 1949. Person is Bob Van Nostrand. His M.Sc.F. (U of T) detailed the spacing results after 17yrs.