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1Author:  Gentry, Howard ScottRequires cookie*
 Title:  Howard Scott Gentry papers, 1816-2005 ead 
 Date(s):  1816-2005 
 Abstract:  Howard Scott Gentry was an American botanist who is especially known for his expertise on the agave plant. Over the course of his work, Gentry introduced 15,000 plants into the United States for study, with his most notable contributions consisting of the development of a cortisone precursor compound, the introduction of disease-resistant wild beans, and the development of jojoba oil. This collection is comprised of professional correspondence, proposals, and manuscripts related to his research of plant species. Also included are some photographs and related material to individual plants in the forms of published articles, pamphlets, booklets, and notes. 
 Repository:  University of Arizona Libraries, Special Collections 
 Subjects:  Agriculture | Botany -- United States | Botany -- Research -- Mexico | Chia | Gum Tragacanth | Jojoba | Drimia maritima 
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...University of Arizona and Tucson photographs,...
...Program Sixth Section---Tucson to New York (2 copies)...
...of Arizona PO Box 210055 Tucson, AZ 85721-0055 Phone: 520-...
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2Author:  Mills, Hazel E.Requires cookie*
 Title:  Hazel E. Mills papers, 1816-1938 ead 
 Date(s):  1816-1938 
 Abstract:  Research notes, newspaper clippings and maps, 1816-1938. The bulk of the material is handwritten research notes related to the navigation of the Colorado River. Some of the notes are contained in a card index. The notes include article summaries compiled for Mills' proposed dissertation, Navigation of the Colorado River and its effect on the development of the Arizona frontier. The maps are tracings done by Mills. 
 Repository:  University of Arizona Libraries, Special Collections 
 Subjects:  Boats and boating | Colorado River -- Discovery and exploration | Colorado River -- Navigation | Ferries | Cargo ships | Frontier and pioneer life -- Arizona | Historic mines | Mining districts -- Arizona | Mining districts -- Colorado | Railroad travel | River steamers | Stagecoach lines | Steam-navigation | Trade routes | Waterways 
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...of Arizona PO Box 210055 Tucson, AZ 85721-0055 Phone: 520-...
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