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Showing 1 - 4 of 4 Records
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Miscellaneous, policies, histories, and encroachment, 1956
Documents pertaining to the history, policies, and conservation of the Forest Preserve District of Cook County, Illinois
1905


Paper on conservation education vs. vandalism, by Roberts Mann, 1944
Conference paper presented before the American Institute of Park Executives
1944

Paper on design of picnic areas and facilities by Roberts Mann, 1941
Conference paper presented before the Michigan Academy of Science, Arts and Letters section of Landscape architecture
1941