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
Photo Date: 1861
Category: Coast and Geodetic Survey/Civil War Mapping/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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