A "Topographic Map of the State of Arkansas." The map shows oil fields, gas fields, pipe lines, highways, contour lines, elevations, rivers, national forests, boundaries, mines, quarries, geological composition, and other details. A sticker on the back reads: "Topographic Map, State of Arkansas." Handwriting on the back reads: "Official File 273, N.D."
A "Geologic Map of Arkansas." The map includes tables, indexes, and cross-sections detailing the geologic composition of each region in Arkansas. The map also shows boundary lines, rivers, railroads, fault lines, power dams, power transmission lines, oil pipe lines, gas pipe lines, mines, quarries, oil and gas fields, and other details. A sticker on the back reads: "Geologic Map, State of Arkansas." Handwriting on the back reads: "Official File 273, N.D."