Outline Map of Arkansas
This black and white map shows only the county lines.
Source: Indiana State University

Arkansas State Map
This map shows the major cities in Arkansas and all of the major freeways.
Source: World Sites Atlas

Annual Average Precipitation Map
This map shows the average annual rainfall in the state.
Source: Spatial Climate Analysis Service, Oregon State University

Merriam Webster Atlas Map
This atlas page shows the Arkansas state map, some quick facts, and a nice explanation of the symbolism of the state flag.
Source: The New York Times and Merriam Webster