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Stand before second commercial clearcut, in MU8 in 1983

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU8 Compartment Management Study commercial clearcut
Organisms:	spruce balsam Fir
Location:	Penobscot Experimental Forest; Maine
Description:	Stand before second commercial clearcut, in MU8 in 1983
Date:	1983

Completed spacing favoring spruce, uniform shelterwood stand, in MU23 on March 29 1982

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system thinning release
Organisms:	spruce
Location:	Penobscot Experimental Forest; Maine
Description:	Completed spacing favoring spruce, uniform shelterwood stand, in MU23 on March 29 1982
Date:	3/29/1982

Completed uniform shelterwood spacing job favoring spruce with a few hardwoods in MU23 on March 29 1982

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system personnel thinning release
Organisms:	spruce
Location:	Penobscot Experimental Forest; Maine
Description:	Completed uniform shelterwood spacing job favoring spruce with a few hardwoods in MU23 on March 29 1982
Date:	3/29/1982

Two-meter-wide corridor-only spacing (row thinning) in an uniform shelterwood stand on a somewhat poorly to poorly drained site, in MU23 on March 29 1982

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system thinning
Organisms:	spruce balsam fir
Location:	Penobscot Experimental Forest; Maine
Description:	Two-meter-wide corridor-only spacing (row thinning) in an uniform shelterwood stand on a somewhat poorly to poorly drained site, in MU23 on March 29 1982
Date:	3/29/1982

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

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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

Spruce sapling next to a range pole in a stand regenerated with uniform shelterwood, in MU23 in March 1981

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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

Spruce sapling in a selection stand with a 5-year cutting cycle, in MU9 on October 4 1978

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU9 Compartment Management Study selection system
Organisms:	spruce
Location:	Penobscot Experimental Forest; Maine
Description:	Spruce sapling in a selection stand with a 5-year cutting cycle, in MU9 on October 4 1978
Date:	10/4/1978

Regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system regeneration
Organisms:	spruce balsam fir eastern white pine red maple
Location:	Penobscot Experimental Forest; Maine
Description:	Regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975
Date:	1975

Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system equipment regeneration personnel
Organisms:	spruce balsam fir eastern white pine
Location:	Penobscot Experimental Forest; Maine
Description:	Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975
Date:	1975

Regeneration three years after final overstory removal in uniform shelterwood, snow machine, in MU23 in 1975

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system equipment regeneration
Organisms:	spruce balsam fir eastern white pine red maple
Location:	Penobscot Experimental Forest; Maine
Description:	Regeneration three years after final overstory removal in uniform shelterwood, snow machine, in MU23 in 1975
Date:	1975

A person standing with regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system personnel regeneration
Organisms:	spruce balsam fir eastern white pine red maple
Location:	Penobscot Experimental Forest; Maine
Description:	A person standing with regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975
Date:	1975

Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system personnel regeneration equipment
Organisms:	spruce balsam fir eastern white pine red maple
Location:	Penobscot Experimental Forest; Maine
Description:	Regeneration three years after final overstory removal in uniform shelterwood, person with snow machine, in MU23 in 1975
Date:	1975

Regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system regeneration
Organisms:	spruce balsam fir eastern white pine
Location:	Penobscot Experimental Forest; Maine
Description:	Regeneration three years after final overstory removal in uniform shelterwood, in MU23 in 1975
Date:	1975

Snow machine on a forest road driving through a pine and spruce stand near in MU23 in 1975

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU23 Compartment Management Study shelterwood system equipment road
Organisms:	pine spruce
Location:	Penobscot Experimental Forest; Maine
Description:	Snow machine on a forest road driving through a pine and spruce stand near in MU23 in 1975
Date:	1975

13-inch dbh eastern hemlock chemically debarked, 9-inch dbh spruce left, photo point #2 (permanent sample plot 2/1) in MU14 on July 5 1956

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU14 Compartment Management Study selection system personnel plot photo point
Organisms:	eastern hemlock spruce
Location:	Penobscot Experimental Forest; Maine
Description:	13-inch dbh eastern hemlock chemically debarked, 9-inch dbh spruce left, photo point #2 (permanent sample plot 2/1) in MU14 on July 5 1956
Date:	7/5/1956

Spruce regeneration 3-5 feet tall, photo point #6 in MU14 on July 5 1956

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU14 Compartment Management Study selection system regeneration personnel photo point
Organisms:	spruce
Location:	Penobscot Experimental Forest; Maine
Description:	Spruce regeneration 3-5 feet tall, photo point #6 in MU14 on July 5 1956
Date:	7/5/1956

8 and 10 inch dbh balsam fir marked, leaving 8 inch dbh eastern hemlock and a clump of 4 inch dbh spruce in MU14 on July 5 1956

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU14 Compartment Management Study selection system marking photo point
Organisms:	balsam fir eastern hemlock spruce
Location:	Penobscot Experimental Forest; Maine
Description:	8 and 10 inch dbh balsam fir marked, leaving 8 inch dbh eastern hemlock and a clump of 4 inch dbh spruce in MU14 on July 5 1956
Date:	7/5/1956

Large opening made about 12 years ago, bracken fern and raspberry with few spruce, balsam fir, or eastern hemlock seedlings, photo point #1 (near permanent sample plot 3/1) in MU14 on July 5 1956

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU14 Compartment Management Study selection system regeneration plot photo point
Organisms:	spruce balsam fir eastern hemlock raspberry bracken fern
Location:	Penobscot Experimental Forest; Maine
Description:	Large opening made about 12 years ago, bracken fern and raspberry with few spruce, balsam fir, or eastern hemlock seedlings, photo point #1 (near permanent sample plot 3/1) in MU14 on July 5 1956
Date:	7/5/1956

Larger trees chemically debarked, 9-10 inch dbh spruce and eastern hemlock left, photo point #1 (permanent sample plot 3/5) in MU15 on July 5 1956

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU15 Compartment Management Study diameter-limit cut personnel plot photo point
Organisms:	spruce eastern hemlock
Location:	Penobscot Experimental Forest; Maine
Description:	Larger trees chemically debarked, 9-10 inch dbh spruce and eastern hemlock left, photo point #1 (permanent sample plot 3/5) in MU15 on July 5 1956
Date:	7/5/1956

Spruce, eastern hemlock, paper birch up to 10 inches dbh, photo point #2 (looking southwest) in MU4 on July 5 1956

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Collection:	Penobscot Experimental Forest Historical Photo Archive
Keywords:	MU4 Compartment Management Study diameter-limit cut personnel photo point
Organisms:	spruce eastern hemlock paper birch
Location:	Penobscot Experimental Forest; Maine
Description:	Spruce, eastern hemlock, paper birch up to 10 inches dbh, photo point #2 (looking southwest) in MU4 on July 5 1956
Date:	7/5/1956

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