Texas Drought Unearths Long-Lost Slave Cemetery

One of the worst droughts in Texas history is helping archaeologists unearth a small piece of American history, a graveyard for freed slaves.

While the heat may be taking a toll on crops, livestock and people's livelihoods, it has helped archaeologists uncover two graves that are believed to have been buried for more than a century.  

Cemeteries were marked and moved before the Richland Chambers Reservoir in Navarro County, Texas, was filled in the 1980s, but this small cemetery without tombstones went unnoticed.  

Human remains were initially discovered in 2009 by boaters when the water level was low, but the water rose quickly and archaeologists and historians have been waiting ever since for the reservoir to reveal the cemetery again....