Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

USFS Logo Research Data Archive
You are here: Home > Search Results


*To download images in addition to list, filter to 100 images or fewer.
Displaying items 51 - 55 of 55
10 | 20 | 50 per page
"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:

"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:

Regeneration assessment in sample plot
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: plot
regeneration
Location: Penobscot Experimental Forest; Maine
Description: Regeneration assessment in sample plot
Date:

Plot with wire cage, likely an animal exclosure
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: plot
regeneration
Location: Penobscot Experimental Forest; Maine
Description: Plot with wire cage, likely an animal exclosure
Date:

Two personnel conducting a field assessment
more info/bigger image
Collection: Penobscot Experimental Forest Historical Photo Archive
Keywords: personnel
plot
Organisms: spruce
Location: Penobscot Experimental Forest; Maine
Description: Two personnel conducting a field assessment
Date: