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Joint Conference of Those Interested in the Conservation and Development of the Natural Resources of Michigan Held Under the Auspices of the Public Domain Commission : Representative Hall, Capitol, Lansing, Michigan, Wednesday, June 12, 1912

Michigan. Public Domain Commission

出版	Wynkoop Hallenbeck Crawford Company, state printers, 1912
URL	http://books.google.com.hk/books?id=G1pIAAAAMAAJ&hl=&source=gbs_api