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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.

Biddle, Clement, 1740-1814 to Henry Knox

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Gilder Lehrman Collection #: GLC02437.03665 Author/Creator: Biddle, Clement, 1740-1814 Place Written: Philadelphia, Pennsylvania Type: Autograph letter signed Date: 16 September 1787 Pagination: 1 p. : Height: 24.4 cm, Width: 20 cm Order a Copy

Informs Knox that Major Reading Howell is making a map of Pennsylvania from a number of actual surveys. Notes that during the War a number of surveys were made by the Geographer of the Army and his deputies of different parts of the state and copies were sent to the War Office. Asks Knox to give Howell access to the War Office surveys and maps. See GLC02437.03663 for related document.

Knox, Henry, 1750-1806
Biddle, Clement, 1740-1814

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