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USFS Logo Research Data Archive
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Displaying items 21 - 40 of 382
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Regenerating stand 14 years after second cut in two-stage overstory removal in shelterwood stand, in Study 58 on March 29 1982
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
Location: Penobscot Experimental Forest; Maine
Description: Regenerating stand 14 years after second cut in two-stage overstory removal in shelterwood stand, in Study 58 on March 29 1982
Date: 3/29/1982

"Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 21, in Study 58 on March 29 1982
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
plot
Location: Penobscot Experimental Forest; Maine
Description: "Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 21, in Study 58 on March 29 1982
Date: 3/29/1982

"Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 23, in Study 58 on March 29 1982
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU58
thinning
sign
plot
Location: Penobscot Experimental Forest; Maine
Description: "Row Spacing Only, Unfertilized" sign, 5.5 growing seasons after precommercial thinning in plot 23, in Study 58 on March 29 1982
Date: 3/29/1982

Spruce sapling next to a range pole in a stand regenerated with uniform shelterwood, in MU23 in March 1981
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
regeneration
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Spruce sapling next to a range pole in a stand regenerated with uniform shelterwood, in MU23 in March 1981
Date: Mar-81

Young eastern white pine provenance test, in EP1 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: EP1
White Pine Provenance Study
planting
regeneration
Organisms: eastern white pine
Location: Penobscot Experimental Forest; Maine
Description: Young eastern white pine provenance test, in EP1 in the 1980s
Date: 1980s

Eastern white pine provenance test, sign with information, in EP1 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: EP1
White Pine Provenance Study
planting
regeneration
sign
Organisms: eastern white pine
Location: Penobscot Experimental Forest; Maine
Description: Eastern white pine provenance test, sign with information, in EP1 in the 1980s
Date: 1980s

Sign for MU23 showing years of harvest entries, photo taken in 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
sign
Location: Penobscot Experimental Forest; Maine
Description: Sign for MU23 showing years of harvest entries, photo taken in 1980s
Date: 1980s

Mike Shewokis with the 10-year spacing results display model in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
personnel
study results
Location: Penobscot Experimental Forest; Maine
Description: Mike Shewokis with the 10-year spacing results display model in Study 58 in the 1980s
Date: 1980s

"Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "Early Release and Fertilization Study in Spruce-Fir" sign and spruce saplings in Study 58 in the 1980s
Date: 1980s

People near the 10-year spacing study results display model in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
personnel
study results
Location: Penobscot Experimental Forest; Maine
Description: People near the 10-year spacing study results display model in Study 58 in the 1980s
Date: 1980s

A field tour visiting the 10-year spacing study results display model in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
personnel
study results
Location: Penobscot Experimental Forest; Maine
Description: A field tour visiting the 10-year spacing study results display model in Study 58 in the 1980s
Date: 1980s

People unloading a vehicle in a spruce stand in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
personnel
vehicle
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: People unloading a vehicle in a spruce stand in Study 58 in the 1980s
Date: 1980s

Part of the 10-year spacing study results display model in Study 58 in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
study results
Location: Penobscot Experimental Forest; Maine
Description: Part of the 10-year spacing study results display model in Study 58 in the 1980s
Date: 1980s

Fran Lawlor with the snow machine in the 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
equipment
road
Location: Penobscot Experimental Forest; Maine
Description: Fran Lawlor with the snow machine in the 1980s
Date: 1980s

U.S. Forest Service building on the Penobscot Experimental Forest after renovations were complete
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: infrastructure
Location: Penobscot Experimental Forest; Maine
Description: U.S. Forest Service building on the Penobscot Experimental Forest after renovations were complete
Date: 1980s

A graph depicting 30-year net production in MUs 90 through 93 after different treatments applied in the Cutting Practice Level Study
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU90
MU91
MU92
MU93
Cutting Practice Level Study
selection system
commercial clearcut
diameter-limit cut
study results
Location: Penobscot Experimental Forest; Maine
Description: A graph depicting 30-year net production in MUs 90 through 93 after different treatments applied in the Cutting Practice Level Study
Date: 1980

A tour group visiting the Penobscot Experimental Forest posing in front of a bus with U.S. Forest Service personnel at the Administrative site, Robert M. Frank second from right, 1970s or 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
vehicle
Location: Penobscot Experimental Forest; Maine
Description: A tour group visiting the Penobscot Experimental Forest posing in front of a bus with U.S. Forest Service personnel at the Administrative site, Robert M. Frank second from right, 1970s or 1980s
Date: 1970s or 1980s

A forester outside the old U.S. Forest Service building at the Penobscot Experimental Forest Administrative site, 1970s or 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: infrastructure
personnel
Location: Penobscot Experimental Forest; Maine
Description: A forester outside the old U.S. Forest Service building at the Penobscot Experimental Forest Administrative site, 1970s or 1980s
Date: 1970s or 1980s

U.S. Forest Service vehicle on road, chainsaw, 1970s or 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: vehicle
road
equipment
Location: Penobscot Experimental Forest; Maine
Description: U.S. Forest Service vehicle on road, chainsaw, 1970s or 1980s
Date: 1970s or 1980s

University of Maine students from Ralph Griffin's class, PEF tour with U.S. Forest Service staff, 1970s or 1980s
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: vehicle
road
personnel
Location: Penobscot Experimental Forest; Maine
Description: University of Maine students from Ralph Griffin's class, PEF tour with U.S. Forest Service staff, 1970s or 1980s
Date: 1970s or 1980s