Shaded Elevation Map of Ohio, Map MG-1, by D. M. Powers, J. F. Laine, and R. R. Pavey, 2003. 40- x 32-inch format, scale 1:500,000 (1 inch equals about 8 miles), full color. Shaded Elevation Map of Ohio depicts the topographic relief of Ohio's landscape, using color to represent elevation intervals. This digitally derived map shows details of Ohio's topography unlike any map of the past. This map uses earth-tone hues to reflect the state's natural appearance from space.