Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 65,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World to soldiers’ letters from World War II and Vietnam. Explore primary sources, visit exhibitions in person or online, or bring your class on a field trip.

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

Gilder Lehrman Collection #: GLC05761 Author/Creator: Abbot, Henry L. (1831-1927) Place Written: Washington, D.C. Type: Pamphlet signed Date: 1857 Pagination: 1

Summary of Content: 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.

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

Historical Era: National Expansion and Reform, 1815-1860

Keywords/Subjects: Government and Civics, Westward Expansion, Frontiers and Exploration, Science and Technology, Surveying, American West, Railroad

Sub Era: Age of Jackson