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

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

出版資料	Washington, D.C. : U.S. Dept. of Agriculture, 1926.

說明	54 p., 6 p. of plates : ill., charts ; 23 cm.
系列	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).
主題	Range management.
	Forest reserves.
添加作者	Malmsten, Harry E. (Harry Elof), 1890-
政府出版物號碼	A 1.3:1405