| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU22 Compartment Management Study commercial clearcut equipment logging road |
| Organisms: | eastern white pine |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Eastern white pine from commercial clearcut stacked along the road in MU22, December 1988 |
| Date: | Dec-88 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel vehicle |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Group visiting the Penobscot Experimental Forest from the World Forestry Center in front of tour bus near the U.S. Forest Service building, on October 6 1987 |
| Date: | 10/6/1987 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
personnel vehicle |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Group visiting Penobscot Experimental Forest from the World Forestry Center in front of tour bus near the U.S. Forest Service building, on October 6, 1987 |
| Date: | 10/6/1987 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Logging Study shelterwood system equipment logging road vehicle |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Logging truck loading sawlogs at the landing in the Logging Study, in MU2 in 1984 |
| Date: | 1984 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Logging Study shelterwood system equipment logging road vehicle |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Truck being loaded with chips at the landing in the Logging Study, in MU2 in 1984 |
| Date: | 1984 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU2 Logging Study shelterwood system equipment logging road |
| Organisms: |
balsam fir spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Equipment used for cutting conifers along the road in the Logging Study, in MU2 in 1984 |
| Date: | 1984 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU3 Compartment Management Study selection system |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Two years after fourth selection cut, in MU3 on 1983 |
| Date: | 1983 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU8 Compartment Management Study commercial clearcut |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand before second commercial clearcut, in MU8 in 1983 |
| Date: | 1983 |
| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU8 Compartment Management Study commercial clearcut |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand before second commercial clearcut, in MU8 in 1983 |
| Date: | 1983 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU8 Compartment Management Study commercial clearcut |
| Organisms: | balsam Fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand before second commercial clearcut, in MU8 in 1983 |
| Date: | 1983 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU8 Compartment Management Study commercial clearcut |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand before second commercial clearcut, in MU8 in 1983 |
| Date: | 1983 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU21 Compartment Management Study shelterwood system regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regenerating stand 14 years after second cut in two-stage overstory removal in shelterwood stand, MU21 on March 29 1982 |
| Date: | 3/29/1982 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system sign |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Management unit sign and stand data - unthinned uniform shelterwood stand in MU23 on March 29 1982 |
| Date: | 3/29/1982 |
| 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 |
| 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 |
| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system thinning |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Looking across two-meter-wide corridor-only spacing (row thinning) in an uniform shelterwood stand in MU23 on March 29 1982 |
| Date: | 3/29/1982 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU23 Compartment Management Study shelterwood system thinning |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Close-up of corridor-only spacing (row thinning) in an uniform shelterwood stand, in MU23 on March 29 1982 |
| Date: | 3/29/1982 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
road vehicle infrastructure |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Gate across the road near Blackman Stream, vehicle, 1970s or 1980s |
| Date: | 1970s or 1980s |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU90 Cutting Practice Level Study damage |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Soil damage caused by skidder during selection cutting, in MU90 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU90 Cutting Practice Level Study damage |
| Organisms: | eastern hemlock |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Root damage to eastern hemlock caused by skidder during selection cutting, in MU90 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU91 Cutting Practice Level Study selection system marking release |
| Organisms: | spruce |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Marking to remove competition and release spruce in a selection cut, in MU91 in October 1979 |
| Date: | Oct-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Stand after density reduction to 55 square feet of basal area in shelterwood cut (CU, CV), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), in MU 33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system regeneration plot |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system personnel plot regeneration |
| Organisms: | balsam fir |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), Dan Keddell conducting inventory, in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 shelterwood system plot regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | Regeneration plots starting from east line (BU, BV), in MU33 in June 1979 |
| Date: | Jun-79 |
| Collection: | Penobscot Experimental Forest Historical Photo Archive |
| Keywords: |
MU33 Biomass Harvesting Study strip clearcut regeneration |
| Location: | Penobscot Experimental Forest; Maine |
| Description: | 10 feet from the road in a strip clearcut in the Biomass Harvesting Study (BI, BJ), in MU33 in June 1979 |
| Date: | Jun-79 |