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Published
East Lansing : Agricultural Experiment Station, Michigan State University, 1977.
Online
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Published
Madison : Institute for Environmental Studies, University of Wisconsin--Madison, 1972-
Location
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Format
Journals & Newspapers / Online
Published
Springfield, Ill. : Office of the Superintendent of Public Instruction, [1969]
Online
Location
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Author
California. Legislature. Assembly. Interim Committee on Conservation and Wildlife
Published
[Sacramento, Calif.? : s.n., 1966?]
Online
Location
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Author
Leopold, Luna B. (Luna Bergere), 1915-2006
Published
Washington, D.C. : U.S. Dept. of the Interior, Geological Survey, 1960.
Online
Location
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Author
Conference on the Conservation of Natural Resources
Published
[Sacramento, Calif. : State Dept. of Education, 1950]
Online
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Author
Indiana. Department of Conservation
Published
Indianapolis, State Printer, 1918-
Location
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Format
Journals & Newspapers / Online
Author
Michigan. Public Domain Commission
Published
Lansing, Michigan. Wynkoop Hallenbeck Crawford co., state printers, 1913.
Online
Location
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Format
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Author
National Conservation Congress
Published
Washington, n.p., 1913.
Online
Location
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Format
Books / Online
Author
Michigan. Public Domain Commission
Published
Lansing, Mich. : Wynkoop Hallenbeck Crawford Co., state printers, 1912.
Location
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Format
Books / Online