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Displaying items 1 - 19 of 19
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Management unit sign, unspaced trees behind and trees spaced 2-by-3-meters across the road on the right, in MU23 on March 29 1982
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: MU23
Compartment Management Study
shelterwood system
thinning
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Management unit sign, unspaced trees behind and trees spaced 2-by-3-meters across the road on the right, in MU23 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

"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 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

"8x8' Spacing, Fertilized" sign in front of spruce saplings in plot 3 in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
sign
plot
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "8x8' Spacing, Fertilized" sign in front of spruce saplings in plot 3 in Study 58
Date:

"Row Spacing and Release, Unfertilized" sign and spruce regeneration in plot 51 in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
regeneration
sign
plot
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "Row Spacing and Release, Unfertilized" sign and spruce regeneration in plot 51 in Study 58
Date:

"Early Release and Fertilization Study in Spruce-Fir" sign and spruce regeneration in Study 58
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 regeneration in Study 58
Date:

"Row Spacing and Release, Unfertilized" sign and spruce saplings in Study 58
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: "Row Spacing and Release, Unfertilized" sign and spruce saplings in Study 58
Date:

"8x8' spacing, Fertilized" sign in front of spruce regeneration in Study 58
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: "8x8' spacing, Fertilized" sign in front of spruce regeneration in Study 58
Date:

"8x8 Spacing, Fertilized" sign in front of spruce saplings in plot 7 in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
plot
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "8x8 Spacing, Fertilized" sign in front of spruce saplings in plot 7 in Study 58
Date:

"8x8' spacing, Fertilized" sign in front of spruce in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "8x8' spacing, Fertilized" sign in front of spruce in Study 58
Date:

Descriptive signs in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
Location: Penobscot Experimental Forest; Maine
Description: Descriptive signs in Study 58
Date:

"8x8' spacing, Fertilized" sign in front of spruce in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "8x8' spacing, Fertilized" sign in front of spruce in Study 58
Date:

"Control, No Release, Unfertilized" sign in front of spruce in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "Control, No Release, Unfertilized" sign in front of spruce in Study 58
Date:

"8x8' spacing, Fertilized" sign in front of spruce in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "8x8' spacing, Fertilized" sign in front of spruce in Study 58
Date:

"Row spacing Only, Fertilized" sign in front of spruce regeneration in Study 58
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: "Row spacing Only, Fertilized" sign in front of spruce regeneration in Study 58
Date:

"Control, No Release, Unfertilized" sign in front of spruce in Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "Control, No Release, Unfertilized" sign in front of spruce in Study 58
Date:

"Row spacing Only, Unfertilized" sign in front of spruce in plot 20 Study 58
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: Study 58
thinning
sign
plot
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: "Row spacing Only, Unfertilized" sign in front of spruce in plot 20 Study 58
Date: