Archaeologists have identified a number of rock tombs in the ancient ... into the bedrock. “Tharsa Ancient City consists of 3 main archaeological areas: Big Mound, Small Mound and Necropolis ...

So what are these rocks and how did they wind up in the Midwest? 27 News spoke with Tony Layzell, an assistant scientist with the Kansas Geological Survey (KGS), about the mystery boulders and rocks ...