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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Abbot, Henry Larcom, 1831-1927 Article upon the determination of altitudes from observations taken with the barometer...

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Gilder Lehrman Collection #: GLC05761 Author/Creator: Abbot, Henry Larcom, 1831-1927 Place Written: Washington, District of Columbia Type: Pamphlet signed Date: 1857 Pagination: 15, 2 p. : = 17 p. : Height: 30.3 cm, Width: 23.8 cm Order a Copy

Title continues "being Chapter VI and Appendix E of the Report of Lieut. Henry L. Abbot, Corps of Topographical Engineers, upon Explorations for a Railroad Route from the Sacramento Valley to the Columbia River made by Lieut. L.S. Williamson, Corps of Topographical Engineers, assisted by Lieut. Henry L. Abbot, Corps of Topographical Engineers." Presentation copy signed on cover with an inscription by Henry L. Abbot to Edwin Hale Abbot. Part of the series, "Explorations and survey for a railroad route from the Mississippi River to the Pacific Ocean. War Department." Original yellow covers. Printed by the Government Printing Office.

Williamson, R. S. (Robert Stockton), 1824-1882
Abbot, Henry Larcom, 1831-1927

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