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USFS Logo Research Data Archive
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Displaying items 1 - 4 of 4
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New branches growing from dormant buds on white spruce on July 23, 1963
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: pruning
Organisms: white spruce
Location: Penobscot Experimental Forest; Maine
Description: New branches growing from dormant buds on white spruce on July 23, 1963
Date: 7/23/1963

Pruned white spruce, in February 1963
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: pruning
Organisms: white spruce
Location: Penobscot Experimental Forest; Maine
Description: Pruned white spruce, in February 1963
Date: Feb-63

Arthur Hart pole pruning in December 1954
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
pruning
Location: Penobscot Experimental Forest; Maine
Description: Arthur Hart pole pruning in December 1954
Date: Dec-54

7-inch dbh red spruce pruned and released by cutting 14-inch dbh red maple, in MU7 on July 27, 1954
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU7
Farm Woodlot Study
selection system
pruning
release
Organisms: red spruce
red maple
Location: Penobscot Experimental Forest; Maine
Description: 7-inch dbh red spruce pruned and released by cutting 14-inch dbh red maple, in MU7 on July 27, 1954
Date: 7/27/1954