LAKE J. B. THOMAS. Lake J. B. Thomas is on the county line in southeastern Borden and southwestern Scurry counties (at 32°35' N, 101°08' W). The lake was formed by the Colorado River Dam, completed in 1952. Lake J. B. Thomas has a surface area of 7,820 acres, a drainage area of 3,524 square miles, and a capacity of 203,600 acre-feet. The lake is used for boating, fishing, and other recreation, and it supplies water to nearby Big Spring, Odessa, and Snyder.

BIBLIOGRAPHY: C. L. Dowell, Dams and Reservoirs in Texas: History and Descriptive Information (Texas Water Commission Bulletin 6408 [Austin, 1964]).