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In this Oct. 5, 2011 photo, a child's grave site, normally at least 20 to 30 feet underwater, has joined other remnants of old Bluffton, Texas, resurfacing on the now dry, sandy lake near Bluffton, as the Texas drought shrinks the state's largest inland lake. (AP Photo/Eric Gay)

In this Oct. 5, 2011 photo, a child's grave site, normally at least 20 to 30 feet underwater, has joined other remnants of old Bluffton, Texas, resurfacing on the now dry, sandy lake near Bluffton, as the Texas drought shrinks the state's largest inland lake. (AP Photo/Eric Gay)

Depleted Texas lakes expose ghost towns

Across the state of Texas receding lakes like Bluffton's Lake Buchanan have revealed several historical relics of interest, a prehistoric skull, ancient tools, fossils and a small cemetery that appears to contain the graves of freed slaves.