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 1 - 2 of 2
10 | 20 | 50 per page
Poisoning A Worthless Tree
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: thinning
chemical effect
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Poisoning A Worthless Tree
Date: 10/1942

Timber Stand Improvement
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: thinning
Improvement
chemical effect
sample plot
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Timber Stand Improvement
Date: 06/1941