They're Off! : The Story of the Pony Express Salt Lake Valley ) Factors in predicting alluvial

) Factors in predicting alluvial gravel composition using digital geologic map and elevation images: an example from the Colorado Front Range

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They're Off! : The Story of the Pony Express Salt Lake Valley ) Factors in predicting alluvialIn 1860, with North and South about to be divided by war, East and West were united through an extraordinary venture the Pony Express. Over the course of ten days in April, eighty riders and five hundred horses delivered mail between California and Missouri a mission that took three weeks by stagecoach. Although it existed for only a year and a half, the Pony Express remains a legendary chapter in American history and a symbol of the bold, adventurous