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  1. Report of an exploration of parts of Wyoming, Idaho, and Montana in August and September, 1882 /made by Lieut. Gen. P. H. Sheridan, commanding the Military division of the Missouri, with the itinerary of Col. Jas. F. Gregory, and a geological and botanical report by W. H. Forwood.
    By: United States. - Engelmann, George, - Forwood, William Henry, - Gray, Asa, - Gregory, James F. - Sheridan, Philip Henry,
    Publication info: Washington :U.S. G.P.O.,1882.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Herbarium
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