Portion of T-Sheet that went into construction of Mississippi River Sheet No. 2 by Ferdinand H. Gerdes and T.C. Bowie. North middle section of T-Sheet 1920 showing key to symbology on map.
Image ID: cgs05264, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Mississippi River Photo Date: 1864 May Credit: NARA C&GS Colllection Category: Coast and Geodetic Survey/Archive/ • High Resolution Photo Available
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