"Clear-cutting" practices on national timberlands.
Hearings, Ninety-second Congress, first session ...

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Item Link Original Source
Full view   v.1 University of Illinois at Urbana-Champaign
Full view   v.1-3 University of Illinois at Urbana-Champaign
Full view   v.3 (pt.1-2) University of California
Full view   v.4 (pt.3) University of California