Notice [concerning topographic quadrangle maps: Charleston, Mo.-Ill., Horseshoe Lake, Ark.-Miss.-Tenn., Henrico, Ark., Indian Bay, Ark., Grenada, Miss., Duck Hill, Miss., Mileston, Miss., Oakland, Miss., Mc-Carley, Miss., Mason, Tenn., Chicot Lake, La., Jeanerette, La., Belle Isle, La., edition 1954, and Spanish Fort, La., edition 1953, with other material related to quadrangle maps of the alluvial valley, Lower Mississippi River].

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