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  1. The care of natural monuments with special reference to Great Britain and Germany /
    By: Conwentz, Hugo Wilhelm,
    Publication info: Cambridge [England] :University Press,1909.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Landscape protection  Natural monuments  
    BHL Collections: Harvard University Herbarium, Botany Libraries
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  2. Compendium of natural features information /
    By: Maryland. State Planning Dept. - Smithsonian Institution. Center for Natural Areas.
    Publication info: Baltimore :The Department,1975.
    Holding Institution: University of Maryland, College Park (
    Subjects: Maryland  Natural areas  Natural monuments  Natural resources  
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  3. Inland wetlands of the United States : evaluated as potential registered natural landmarks /
    By: Goodwin, Richard H. (Richard Hale), - Niering, William A.
    Publication info: [Washington] :National Park Service : may be purchased from the Supt. of Docs., Govt. Print. Off.,1975.
    Holding Institution: MBLWHOI Library
    Subjects: Natural monuments  United States  Wetlands  
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  4. The University of Kansas Natural History Reservation /
    By: Fitch, Henry Sheldon,
    Publication info: Lawrence,University of Kansas, Museum of Natural History,1952
    Holding Institution: Smithsonian Libraries
    Subjects: Kansas  Natural monuments  
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