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 - 5 of 5
10 | 20 | 50 per page
Caption reads: "32 year old loblolly pine in old field stand after second thinning has reduced the stand to 85 trees per acre. Plot U78, Winn [LaSalle??] Parish, La."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: thinning
Organisms: loblolly pine
Location: LaSalle Parish, Louisiana
Description: Caption reads: "32 year old loblolly pine in old field stand after second thinning has reduced the stand to 85 trees per acre. Plot U78, Winn [LaSalle??] Parish, La."
Date: 11/14/1933

Caption reads: "12 year old loblolly pine in old field stand contrasting pruned and unpruned trees. Plot U 109, Winn Parish, Louisiana."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: branch
pruning
Organisms: loblolly pine
Location: Winn Parish, Louisiana
Description: Caption reads: "12 year old loblolly pine in old field stand contrasting pruned and unpruned trees. Plot U 109, Winn Parish, Louisiana."
Date: 11/14/1933

Caption reads: "Sub-plot A-1 after thinning. Plot U-102, LaSalle Parish, Louisiana, see #283852."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: thinning
Organisms: loblolly pine
Location: LaSalle Parish, Louisiana
Description: Caption reads: "Sub-plot A-1 after thinning. Plot U-102, LaSalle Parish, Louisiana, see #283852."
Date: 5/31/1933

Caption reads: "Sub-plot A-1 before thinning. The trees marked to leave have white cloth tied around them at 6 feet, those marked to cut are blazed at 4 feet. Compare with #283861, Plot U-102, LaSalle Parish, La."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: thinning
Organisms: loblolly pine
Location: LaSalle Parish, Louisiana
Description: Caption reads: "Sub-plot A-1 before thinning. The trees marked to leave have white cloth tied around them at 6 feet, those marked to cut are blazed at 4 feet. Compare with #283861, Plot U-102, LaSalle Parish, La."
Date: 3/29/1933

Caption reads: "Contrast in pulpwood yields from 4 and 5 inch trees. The taller pile on the left was cut from 50 five inch trees, the smaller pile on the left was cut from 50 five inch trees, the smaller pile immediately to the right was cut from 100 four inch trees. Plot U-103, LaSalle Parish, La."
more info/bigger image
Collection: Southern Research Station Historical Documents and Images
Keywords: pulpwood
thinning
Organisms: loblolly pine
Location: LaSalle Parish, Louisiana
Description: Caption reads: "Contrast in pulpwood yields from 4 and 5 inch trees. The taller pile on the left was cut from 50 five inch trees, the smaller pile on the left was cut from 50 five inch trees, the smaller pile immediately to the right was cut from 100 four inch trees. Plot U-103, LaSalle Parish, La."
Date: 3/29/1933