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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 211
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Percent of seedlings infected by distance from source
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Collection: RMRS Archive Images
Keywords: figure
forest pathology
Organisms: mistletoe
Location: Wing Mountain; AZ; United States
Description: Percent of seedlings infected by distance from source
Date: 12/1951

Aspen sanitation plot
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Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: ponderosa pine
aspen
Location: Grand Canyon N.P.; AZ; United States
Description: Aspen sanitation plot
Date: 11/24/1951

G.A. Pearson Memorial
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: forest stand
signage
sample plot
repeat set
Organisms: ponderosa pine
Location: Fort Valley Exp Forest; AZ; USA
Description: G.A. Pearson Memorial
Date: 10/24/1951


more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Location: Fort Valley Exp Forest; AZ; USA
Description: Not Available
Date: 10/24/1951

First-year twitch trail that may be improved into a sled road and eventually into a truck road for hauling wood, in MU2 on October 18 1951
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU2
Farm Woodlot Study
road
Location: Penobscot Experimental Forest; Maine
Description: First-year twitch trail that may be improved into a sled road and eventually into a truck road for hauling wood, in MU2 on October 18 1951
Date: 10/18/1951

Pulpwood ricks, in MU2 on October 18 1951
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Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU2
Farm Woodlot Study
selection system
logging
Location: Penobscot Experimental Forest; Maine
Description: Pulpwood ricks, in MU2 on October 18 1951
Date: 10/18/1951

Timber stand improvement work thinning red maple sprout clumps to best stem of each clump, in MU2 on October 18 1951
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU2
Farm Woodlot Study
selection system
logging
timber stand improvement
Organisms: red maple
Location: Penobscot Experimental Forest; Maine
Description: Timber stand improvement work thinning red maple sprout clumps to best stem of each clump, in MU2 on October 18 1951
Date: 10/18/1951

Yard of tree-length wood from 1951 salvage cutting, in MU2 on October 18 1951
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU2
Farm Woodlot Study
selection system
logging
Location: Penobscot Experimental Forest; Maine
Description: Yard of tree-length wood from 1951 salvage cutting, in MU2 on October 18 1951
Date: 10/18/1951

Road Sign
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: signage
Location: Fort Valley Exp Forest; AZ; USA
Description: Road Sign
Date: 10/17/1951

Road Sign
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: signage
Location: Fort Valley Exp Forest; AZ; USA
Description: Road Sign
Date: 10/17/1951