The conservation of Northwest resources Thompson, Margaret Hollinshead 1892- creator Freeman, Otis Willard 1889- Northwest Conservation League text bibliography wau Seattle Northwest Conservation League [1951, c1950] 1951 1950 monographic eng
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281 p. illus. 22 cm. Editors: Margaret Thompson [and] Otis W. Freeman. Includes bibliographies. n-usp-- Natural resources Northwest, Pacific HC107.A19 T5 333.72 agr51000018 U.S. Dept. of Agr. Libr. 800125 20260227111014.0 agr51000018