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The Society of Directors of Municipal Recreation of Ontario ( SDMRO )Newsletter, Volume III No.7, 1970

The Society of Directors of Municipal Recreation of Ontario ( SDMRO ) Newsletter, 1970.

San Juan Valley showing pattern of logging from railway operations in 1940's for Sitka spruce. British Columbia Forest Products, Port Renfrew

Old Sitka spruce - 300-500 years. San Juan valley. British Columbia Forest Products Port Renfrew

Red alder regenerated beside old railway logging right-of-way. San Juan valley. approx. 35 years old British Columbia Forest Products. Port Renfrew

Red alder on alluvial flats after logging in 1940's for Sitka spruce British Columbia Forest Products. Port Renfrew

Sitka spruce plug planted 1972 in red alder area. British Columbia Forest Products. Port Renfrew

Douglas fir bullet planted in 1971, after 3yrs. N.B frost heaving. Braden Main, British Columbia Forest Products. Port Renfrew

Clearcut with buffer strips. N.B. windthrow in buffers. British Columbia Forest Products Port Renfrew

Fort valley research station United States Forest Service. First research station of United States Forest Service. Flagstaff Arizona