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 - 3 of 3
10 | 20 | 50 per page

more info/bigger image
Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: western pine beetle
ponderosa pine
pine beetle
Location:
Description: Pitch tubes defence against the Pine beetles. This time the tree was unsuccessful.
Date: 11/1989


more info/bigger image
Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: western pine beetle
pine beetle
pine
Location:
Description: Pitch tubes used in defense of the WPB
Date: 1989


more info/bigger image
Collection: RMRS Archive Images
Keywords: r3 forest health e.p.
Organisms: western pine beetle
ponderosa pine
pine beetle
Location:
Description: Galleries caused by Western Pine Beetle
Date: 1989