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 - 7 of 7
10 | 20 | 50 per page
Tree 27 with pitch canker (spruce canker) at 6' and 7', no decay
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
spruce defect study
forest pathology
Organisms: spruce
Location: Roosevelt N.F.; CO; United States
Description: Tree 27 with pitch canker (spruce canker) at 6' and 7', no decay
Date: 6/1957

Tree 19 with old dead top above 49'
more info/bigger image
Collection: RMRS Archive Images
Keywords: spruce defect study
forest pathology
Organisms: spruce
Location: Roosevelt N.F.; CO; United States
Description: Tree 19 with old dead top above 49'
Date: 6/1957

Tree 30 with frost crack 0' to 12' and decay associated with it
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
spruce defect study
forest pathology
Organisms: spruce
Location: Roosevelt N.F.; CO; United States
Description: Tree 30 with frost crack 0' to 12' and decay associated with it
Date: 6/1957

Tree 27 with canker at 6'
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
spruce defect study
forest pathology
Organisms: spruce
Location: Roosevelt N.F.; CO; United States
Description: Tree 27 with canker at 6'
Date: 6/1957

Tree 23 with frost crack 0' to 34'
more info/bigger image
Collection: RMRS Archive Images
Keywords: abiotic damage
spruce defect study
forest pathology
Organisms: spruce
Location: Roosevelt N.F.; CO; United States
Description: Tree 23 with frost crack 0' to 34'
Date: 6/1957

Overholtzii sp. basidiocarp maturing in early spring on old spruce log when snow is on the ground
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: spruce
basidiocarp
Location: Roosevelt N.F.; CO; United States
Description: Overholtzii sp. basidiocarp maturing in early spring on old spruce log when snow is on the ground
Date: 6/1957

Tree 23 cross section at 32' showing frost crack and associated decay
more info/bigger image
Collection: RMRS Archive Images
Keywords: decay
abiotic damage
spruce defect study
forest pathology
Organisms: spruce
Location: Roosevelt N.F.; CO; United States
Description: Tree 23 cross section at 32' showing frost crack and associated decay
Date: 6/1957