methods advocated for forest perpetuation

Filmography in the catalog

Credited on 1 film (1940) — matched by name in the Creator or Credits field.

Year ▲	Title	Creator	Length	Format	Color	Sound
1940	Value of forests to national life; U.S.	Forest Service's aims and achievements in forest management; methods advocated for forest perpetuation; principle of "sustained yield." (79 minutes) 3, 32, 41 7 Trees to Tame the Wind U.S. Department of Agriculture	79 min	16mm