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Engelmann spruce and alpine fir(A.lasiocarpa) 400 years+ at Elevation 5000 feet. Northwestern Pulp and Power, Hinton

Engelmann spruce and alpine fir(A.lasiocarpa) 400 years+ at Elevation 5000 feet. N.B. decadence. Northwestern Pulp and Power, Hinton

Clearcut 1969 at elevation 4800 feet. General view, 1976. Northwestern Pulpand Power, Hinton

Clearcut 1969, bladed and chain scarified for natural. Northwestern Pulp and Power, Hinton. Athabaska XVI

Cutover 1969 then bladed and chain scarified. Elev. 4800ft. Person is Jack Wright. Northwestern Pullp & Power. Hinton

Final result of blading in early Spring with D8. Northwestern Pulp &Power. Hinton

D8 blading cutover. N.B. difference between bladed and non-bladed area of cutover. Northwester Pulp & Power. Hinton

D8 blading cutover. N.B. difference between bladed and non-bladed area of cutover. Northwester Pulp & Power. Hinton

D8 blade scarifying. cf slide #1228. Northwestern Pulp & Power. Hinton

Blade scarification using D8; 2-3 acres/hour. N.B. frozen soil under where blade is scraping. Northwestern Pulp & Power. Hinton