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USFS Logo Research Data Archive
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There was more advance softwood reproduction here. The large hemlocks exceed 250 years in age and contained too much shake and rot to be cut. Hemlock pulpwood could not be marketed and many sound, pole-size trees also were left by the cutters.
more info/bigger image
Collection: Paul Smith Experimental Forest Historical Photo Archive
Keywords: softwood
reproduction
old growth
pulpwood
Organisms: hemlock
Location: Paul Smith Experimental Forest
Description: There was more advance softwood reproduction here. The large hemlocks exceed 250 years in age and contained too much shake and rot to be cut. Hemlock pulpwood could not be marketed and many sound, pole-size trees also were left by the cutters.
Date: 1950

Advance reproduction in a virgin stand of western yellow pine
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: old growth
reproduction
sample plot
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; United States
Description: Advance reproduction in a virgin stand of western yellow pine
Date: 1924