This is one of our most detailed maps. It is a full-color, waterproof and tear resistant map with a GPS Grid and Coordinates. Cooper Reservoir is 19,280 acres located on the Sulphur River, 15 miles southwest of Sulphur Springs. EXCELLENT: Largemouth Bass, White Bass, Striped/Hybrid Bass, Catfish GOOD: Crappie. Our maps have up-to-date navigation markers, road systems, access points and public areas. They locate the area's goods and services with full-color photographs and information on popular Resorts, Marinas, Motels, Bait and Tackle Stores, restaurants and other businesses in the area as shown on the facilities links.