Spaced balsam fir, considered too heavy. N.B. size of trees. Photo: Fred Robinson

High graded stand of balsam fir on private woodland. N.B. Poor form. Photo: Fred Robinson

Dense natural regeneration. NS Pulp & Paper (now Stora) Cape Breton, Nova Scotia. Person is Ken Reese. Photo Fred Robinson.

Red pine at 42 years after thinning. See slide #827

Red pine plantation at 42 years, marked for thinning. Vivian, York Regional Forest.

Site prep. using 12 ft. drawbar pulling nine drums. Silk Twp. Chapleau.

Site prep. with 12ft. drawbar pulling six drums and pads. Silk Twp. Chapleau.

Young's Teeth mounted on Caterpillar D8. Chapleau.

Young's Teeth mounted on Caterpillar D8. Chapleau.

Model of Duff & Nolan's Type 1,2 and 3 growth sequences. From Dave Fayle.