Sporting and game stores sells maps of lakes, particularly those in the local vicinity. Also, majority of the fishing and outdoor magazines and newsletters provide different forms of map advertisement. Additionally you can surf the website for maps that shows water bodies: all you need to do is to launch your search engine and type the phrase, “Lake Maps.” The Department of Texas Parks and Wildlife, Inland Fisheries office located in Abilene provides free topographical maps (8-1/2" x 11") of several lakes.