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Digital archive Geological report by J.S. Newberry and map by J.N. Macomb from the Exploring Expedition in 1859 / Catalog Record - Electronic Resource Available
CD contains reproductions of 2 "archival treasures of the 19th Century." Macomb's shaded relief map was published in 1860. Newberry's accompanying text, delayed by Civil War, was published in 1876. It details day to day rigors of period exploration on horseback, remarkable paleontologic discoveries, and stratigraphic observations; as well as gives routes of former explorations.
- Date: 2000