Context

Context of New Madrid quadrangle, Missouri-Kentucky, Corps of Engineers, U.S. Army ; prepared under the direction of the President, Mississippi River Commission ; horizontal control by Mississippi River Commission and Memphis District, Corps of Engineers, U.S. Army, Memphis District and U.S. Coast and Geodetic Survey ; vertical control by Mississippi River Commission and Corps of Engineers, U.S. Army, Memphis District ; topography by Corps of Engineers, U.S. Army, Memphis District and the Little River Drainage District, (cartographic material)
Processing Feedback ...