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Penn State's GIS lab helps uncover mysteries from the ancient world

from Penn State University

Ken Hirth, a Penn State anthropology professor, is sitting in the University's Anthropology geographic information system lab. He clicks a button on his mouse and an aerial map of Mexico City fills the screen of the computer — yellow dots cover the landscape in a near-perfect grid. The dots represent survey points from the 1970s, when a team of researchers plotted a grid and recorded any archaeological material they discovered and its density at each point. more

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