Photograph of Jack Pine Management Cycle
Summary
Original caption: Jack pine "Management Cycle". Thinning to a spacing of 6 x 7 ft. will permit full grown development in this 18 year old stand.
Historic Photographs
Tags
Date
01/07/1939
Location
Chippewa National Forest (Minn.)
Source
The U.S. National Archives
Copyright info
No known copyright restrictions