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作者 Sampson, Arthur W. (Arthur William), 1884-1967.

题名 Grazing periods and forage production on the national forests / by Arthur W. Sampson and Harry E. Malmsten.

出版资料 Washington, D.C. : U.S. Dept. of Agriculture, 1926.

复本

载体形态 54 p., 6 p. of plates : ill., charts ; 23 cm.
丛编 Department bulletin / United States Department of Agriculture ; no. 1405
Department bulletin (United States. Department of Agriculture) no. 1405.
Notes Caption title.
"September, 1926."
With: Bound With: Factors affecting farmers' earnings in southeastern Pennsylvania.
Bibliography Includes bibliographical references (p. 54).
主题 Range management.
Forest reserves.
其它责任者 Malmsten, Harry E. (Harry Elof), 1890-
政府出版物号 A 1.3:1405