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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.

Grant, Ulysses S. (Ulysses Simpson), 1822-1885 to David D. Porter

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Gilder Lehrman Collection #: GLC09363 Author/Creator: Grant, Ulysses S. (Ulysses Simpson), 1822-1885 Place Written: s.l. Type: Autograph letter signed Date: February 27, 1863 Pagination: 2 p. : Order a Copy

To Adm. David D. Porter. Vicksburg campaign letter re frustrated attempt to dig a canal to bypass Confederate forces. "At the present stage of water the submarine pump cannot be used. Capt. Prime therefore has had it put aboard the Champion. Will you be kind enough to let us have the pump and steamer again when the water falls about ten inches from its present level?"

Grant, Ulysses S. (Ulysses Simpson), 1822-1885

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