KNAU and Arizona News
1:50 pm
Thu September 22, 2011

Commentator Scott Thybony Talks About Grand Archaeology

Flagstaff, AZ – Years of erosion have threatened to destroy nine prehistoric sites in the Grand Canyon. As a last resort, archaeologists undertook the most extensive riverside excavation in 40 years. Commentator Scott Thybony has followed their efforts for the past few years and wanted to find out more.