| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 timber stand improvement shelterwood system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Girdled tree in MU33 in the 1970s |
| Date: | 1970s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU1 Cutting Practice Level Study selection system timber stand improvement |
| Organisms: |
eastern hemlock spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Good cutting practice (selection cutting) in the Cutting Practice Level study, eastern hemlock and spruce stand 4 years after improvement cutting, in MU1 on July 28 1954 |
| Date: | 7/28/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU12 Compartment Management Study selection system logging personnel timber stand improvement |
| Organisms: | red spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Arthur Hart in a red spruce stand after improvement cutting, peeled pulpwood trees on the ground, in MU12 on July 28 1954 |
| Date: | 7/28/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU9 Compartment Management Study selection system timber stand improvement plot photo point |
| Organisms: | white spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | White spruce stand after first improvement cutting, photo point #5 (2 chains northeast of permanent sample plot 4/1) in MU9 on May 18 1954 |
| Date: | 5/18/1954 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU6 Compartment Management Study selection system timber stand improvement |
| Organisms: | aspen |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 11-inch dbh aspen girdled at base for chemical debarking in MU6 on August 14 1952 |
| Date: | 8/14/1952 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU7 Farm Woodlot Study selection system timber stand improvement release photo point |
| Organisms: |
eastern hemlock maple |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Chance for timber stand improvement by removing cull 14-inch dbh maple to release 3-inch dbh eastern hemlock, photo point #5 (looking north 50 degrees east) in MU7 on August 14 1952 |
| Date: | 8/14/1952 |
| 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 |
| Collection: | Southern Research Station Historical Documents and Images |
| Keywords: |
timber stand improvement pine oldfield |
| Organisms: | red oak |
| Location: | Urania, LA; LaSalle Parish |
| Description: | Caption reads: "10" red oak deadened in April 1933. Compare with #352087 and #352089. Plot U-102, subplot B-2, LaSalle [Parish], Louisiana." |
| Date: | 8/18/1937 |
| Collection: | Southern Research Station Historical Documents and Images |
| Keywords: |
timber stand improvement pine oldfield |
| Organisms: |
post oak loblolly pine |
| Location: | Urania, LA; LaSalle Parish |
| Description: | Caption reads: "20" post oak overtopping a group of loblolly pine 35 years old. Under good management this tree should have been removed 30 years ago. Plot U-102, subplot B-3, LaSalle [Parish], Louisiana." |
| Date: | 8/18/1937 |
| Collection: | Southern Research Station Historical Documents and Images |
| Keywords: |
timber stand improvement pine oldfield |
| Organisms: |
post oak loblolly pine |
| Location: | Urania, LA; LaSalle Parish |
| Description: | Caption reads: "Loblolly pine showing accelerated height growth. Following release deading post oak on its right 5 years ago. Plot U-102, subplot D-2, LaSalle [Parish], Louisiana." |
| Date: | 8/18/1937 |
| Collection: | Southern Research Station Historical Documents and Images |
| Keywords: |
timber stand improvement pine oldfield |
| Organisms: | loblolly pine |
| Location: | Urania, LA; LaSalle Parish |
| Description: | Caption reads: "Release of young loblolly pine through deadening defective hardwoods 5 years ago. Note disintegration of hardwood tops. Compare with #352083 and #352089. Plot U-102, subplot G-5, LaSalle [Parish], Louisiana." |
| Date: | 8/18/1937 |
| Collection: | Southern Research Station Historical Documents and Images |
| Keywords: |
disease timber stand improvement pine oldfield |
| Organisms: | loblolly pine |
| Location: | Urania, LA; LaSalle Parish |
| Description: | Caption reads: "35 year old loblolly pine showing Peridermium gall marked for cutting. Plot U-102, subplot B-1, LaSalle [Parish], Louisiana." |
| Date: | 8/18/1937 |
| Collection: | Southern Research Station Historical Documents and Images |
| Keywords: |
timber stand improvement pine oldfield |
| Organisms: | loblolly pine |
| Location: | Urania, LA; LaSalle Parish |
| Description: | Caption reads: "Tree #18 crooked loblolly pine marked to cut in TSI experiment. Plot U-102, sub plot A-2, LaSalle [Parish], Louisiana." |
| Date: | 8/17/1937 |








![Caption reads: "10" red oak deadened in April 1933. Compare with #352087 and #352089. Plot U-102, subplot B-2, LaSalle [Parish], Louisiana." Caption reads: "10" red oak deadened in April 1933. Compare with #352087 and #352089. Plot U-102, subplot B-2, LaSalle [Parish], Louisiana."](/rds/imagedb/images/_thm/28661.jpg)
![Caption reads: "20" post oak overtopping a group of loblolly pine 35 years old. Under good management this tree should have been removed 30 years ago. Plot U-102, subplot B-3, LaSalle [Parish], Louisiana." Caption reads: "20" post oak overtopping a group of loblolly pine 35 years old. Under good management this tree should have been removed 30 years ago. Plot U-102, subplot B-3, LaSalle [Parish], Louisiana."](/rds/imagedb/images/_thm/28662.jpg)
![Caption reads: "Loblolly pine showing accelerated height growth. Following release deading post oak on its right 5 years ago. Plot U-102, subplot D-2, LaSalle [Parish], Louisiana." Caption reads: "Loblolly pine showing accelerated height growth. Following release deading post oak on its right 5 years ago. Plot U-102, subplot D-2, LaSalle [Parish], Louisiana."](/rds/imagedb/images/_thm/28663.jpg)
![Caption reads: "Release of young loblolly pine through deadening defective hardwoods 5 years ago. Note disintegration of hardwood tops. Compare with #352083 and #352089. Plot U-102, subplot G-5, LaSalle [Parish], Louisiana." Caption reads: "Release of young loblolly pine through deadening defective hardwoods 5 years ago. Note disintegration of hardwood tops. Compare with #352083 and #352089. Plot U-102, subplot G-5, LaSalle [Parish], Louisiana."](/rds/imagedb/images/_thm/28664.jpg)
![Caption reads: "35 year old loblolly pine showing Peridermium gall marked for cutting. Plot U-102, subplot B-1, LaSalle [Parish], Louisiana." Caption reads: "35 year old loblolly pine showing Peridermium gall marked for cutting. Plot U-102, subplot B-1, LaSalle [Parish], Louisiana."](/rds/imagedb/images/_thm/28665.jpg)
![Caption reads: "Tree #18 crooked loblolly pine marked to cut in TSI experiment. Plot U-102, sub plot A-2, LaSalle [Parish], Louisiana." Caption reads: "Tree #18 crooked loblolly pine marked to cut in TSI experiment. Plot U-102, sub plot A-2, LaSalle [Parish], Louisiana."](/rds/imagedb/images/_thm/28660.jpg)