Blowup survey map of A Canal Connecting Walnut Bayou with the Mississippi River, dug by the U.S. Forces under General Grant in April 1863.
Image ID: cgs05235, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Mississippi, Walnut Bayou Photo Date: 1863 Credit: NARA C&GS Colllection Category: Coast and Geodetic Survey/Archive/ • High Resolution Photo Available
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