Arkansas-Mississippi Refuge quadrangle, grid zone "C" [cartographic material] / prepared under the direction of the president, Mississippi River Commission ; horizontal control by Mississippi River Commission and Corps of Engineers, U.S. Army, Vicksburg District ; vertical control by , Mississippi River Commission and Corps of Engineers, U.S. Army, Vicksburg District ; topography by Corps of Engineers, U.S. Army , Vicksburg District, 1930-1936 ; revised by Corps of Engineers, U.S. Army, Vicksburg District 1936 ; revised by Mississippi River Commission, 1937.
- Relief shown by contours and spot heights. "Contour interval 5 feet." "Distance below Cairo Gage are shown at 5 miles intervals." "Tonwships in Arkansas based on 5th Principal Meridian; townships in Mississippi based on Choctaw Meridian." "Work under Flood Control Act shown as of December 1937." Horizontal datum name:  North American datum. "Five thousand yard grid computed from 'Grid system for progressive maps in the U.S.' zone C, U.S.C. & G.S. special publication no. 59." Includes metric conversion scale and declination diagram. "2621:1550;/99."
- The Survey ;
- Held by
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