Conservation in the United States A. F. Gustafson, H. Ries, C. H. Guise, [and] W. J. Hamilton, Jr.

Conservation in the United States A. F. Gustafson, H. Ries, C. H. Guise, [and] W. J. Hamilton, Jr.

书目详细资料
主要作者: Gustafson, Axel Ferdinand 1880-
其他作者: Ries, Heinrich 1871-, Guise, Cedric Hay 1890-, Hamilton, William John 1902-
格式: 图书
语言:English
出版: Ithaca, N. Y. Comstock publishing company 1949.
主题:
Natural resources.
United States > Economic conditions.