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
Caption reads: "Apparently healed branch scar, pruned Feb. 1933 (Tree #1 about 4 ft. from ground). Compare with pocket knife on left for size. Chisholm plot U-109, Winn Parish, Louisiana."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: pruning
thinning
pine
oldfield
Location: Winn Parish; Urania, LA
Description: Caption reads: "Apparently healed branch scar, pruned Feb. 1933 (Tree #1 about 4 ft. from ground). Compare with pocket knife on left for size. Chisholm plot U-109, Winn Parish, Louisiana."
Date: 8/16/1937

Caption reads: "Partially healed branch scars pruned February 1933 about 10 ft. above ground tree #45. Chisholm plot U-109, Winn Parish, Louisiana."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: pruning
thinning
pine
oldfield
Location: Winn Parish; Urania, LA
Description: Caption reads: "Partially healed branch scars pruned February 1933 about 10 ft. above ground tree #45. Chisholm plot U-109, Winn Parish, Louisiana."
Date: 8/16/1937

Caption reads: "Effects of pruning old field loblolly pine. Stand now 15 years old and pruned 4 years ago. Chisholm plot U-109, Winn Parish, Louisiana."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: pruning
thinning
pine
oldfield
Organisms: loblolly pine
Location: Winn Parish; Urania, LA
Description: Caption reads: "Effects of pruning old field loblolly pine. Stand now 15 years old and pruned 4 years ago. Chisholm plot U-109, Winn Parish, Louisiana."
Date: 8/16/1937