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Photograph of Thinned Jack Pine - NARA - 2127596
Summary
Scope and content: Original caption: Thinned jack pine. Medium site 38 yrs., old original 1300 per acre. Present 800 per acre. As plot Portage River CCC camp. East Hub 5-6, N. 20 West.
Tags
Date
1930 - 1940
Source
U.S. National Archives and Records Administration
Copyright info
public domain
