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

*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 3 of 3
10 | 20 | 50 per page
Cottonwood sawtimber of the Matanuska valley.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Matanuska Valley
Description: Cottonwood sawtimber of the Matanuska valley.
Date: 6/5/1962

Mature stand of balsam cottonwood on well-drained river alluvium. Dominants are 20 to 28 inches d.b.h.,  95 feet in height and 170 to 235 years of age.  Matanuska River Valley, above the mouth of King River.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types, ecotypes
Location: Alaska; Matanuska Valley; King River
Description: Mature stand of balsam cottonwood on well-drained river alluvium. Dominants are 20 to 28 inches d.b.h., 95 feet in height and 170 to 235 years of age. Matanuska River Valley, above the mouth of King River.
Date: 1957

Recent burn (16 years ago) with standing and fallen snags of white spruce. The larger snags are 12 to 16 inches in diameter; this is commercial forest land. Matanuska River Valley.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest fires
fire losses, fire damage to timber stands from the economic point of view
Location: Alaska; Matanuska Valley
Description: Recent burn (16 years ago) with standing and fallen snags of white spruce. The larger snags are 12 to 16 inches in diameter; this is commercial forest land. Matanuska River Valley.
Date: 1957