Map of the approaches to New Orleans, by the Bay of Atchafalaya and the New Orleans and Opelousas Railroad. By Ferdinand H. Gerdes, Assistant U.S.C.S. A Civil War map.
Image ID: cgs05542, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Louisiana Photo Date: 1861 Category: Coast and Geodetic Survey/Civil War Mapping/ • High Resolution Photo Available
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