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USFS Logo Research Data Archive
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Later in winter the black spruce swamp froze enough to remove the wood. Tractor is packing a sled road.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: personnel
equipment
log deck
road
swamp
Organisms: black spruce
Location: Paul Smith Experimental Forest
Description: Later in winter the black spruce swamp froze enough to remove the wood. Tractor is packing a sled road.
Date: 1950

A patch of black spruce in a swamp, exceeding 140 years of age, was clearcut and the wood stump piled.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: swamp
clearcut
Organisms: black spruce
Location: Paul Smith Experimental Forest
Description: A patch of black spruce in a swamp, exceeding 140 years of age, was clearcut and the wood stump piled.
Date: 1950

Mixed conifer swamp containing black spruce, white cedar, and balsam fir. Soil here is very wet and probably will never produce many trees over 8" d.b.h.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: swamp
Organisms: black spruce
white-cedar
balsam fir
Location: Paul Smith Experimental Forest
Description: Mixed conifer swamp containing black spruce, white cedar, and balsam fir. Soil here is very wet and probably will never produce many trees over 8" d.b.h.
Date: 1950

Black spruce swamp, dry enough to produce merchantable timber within 150 years.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: swamp
reproduction
Organisms: black spruce
Location: Paul Smith Experimental Forest
Description: Black spruce swamp, dry enough to produce merchantable timber within 150 years.
Date: 1950

Black spruce swamp, there is more free water than in the previous photo, and it will produce much less wood.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: swamp
Organisms: black spruce
Location: Paul Smith Experimental Forest
Description: Black spruce swamp, there is more free water than in the previous photo, and it will produce much less wood.
Date: 1950