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Report of a reconnaissance from Carroll Montana Territoryon the upper Missouri to the Yellowstone national park and return made in the summer of 1875BookPublished 1876
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Reports of explorations and surveysto ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific OceanBookPublished 1855
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Report of an examination of the upper Columbia River and the territory in its vicinity in September and October 1881to determine its navigability and adaptability to steamboat transportationBookby Symons, T. W. (Thomas William), 1849-1920
Published 1882