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  • Sketch of the two breakwaters above Alexandria in the Red River,

    Scale ca. 1:2000. LC Civil War Maps (2nd ed.), 241 "M. Section VIII.66." Detailed map showing upper and lower dams, falls, "Tennyson's channel," "De Russy's Channel," and some relief by hachures. Description ...

    • Contributor: Gerdes, F. H.
    • Original Format: Maps
    • Date: 1864