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  • Map
    Plan of Genl Du Portail. Plan of the position of Valley Forge after Jany. 1778. Scale not given. Relief shown by hachures. Title from verso. Manuscript, pen-and-ink. Annotated in pencil to show some distances. Annotated bar scale shows scale ca. 14,000. LC Maps of North America, 1750-1789, 1349 Available also through the Library of Congress Web site as a raster image. Vault AACR2
    • Contributor: Duportail, Antoine-Jean-Louis Le B├Ęgue De Presle
    • Date: 1778