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  1. Plant hardiness zone map.
    By: United States.
    Publication info: Washington,Govt. Print. Off.1960.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Hardiness  Maps  Plants  
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  2. Report on the adaptation of Russian and other fruits to the extreme northern portions of the United States / prepared [by T.T. Lyon] under the direction of the Commissioner of Agriculture.
    By: Lyon, T. T.
    Publication info: Washington :Govt. Print. Off.,1888.
    Contributed by: Library of Congress
    Subjects: Fruit  Fruit-culture  Hardiness  Plant introduction  United States  
    BHL Collections: Library of Congress
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  3. USDA plant hardiness zone map.
    By: United States. - Cathey, Henry M.
    Publication info: [Washington, D.C.? :The Service?],1990.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Botany  Canada  Effect of temperature on  Growth (Plants)  Hardiness  Maps  Mexico  Plants  United States  
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