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Google Analytics Dashboard for Map showing thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains; northeastern states, the Great Lakes, and parts of southern Ontario and the Atlantic offshore area (east of 80 degrees 31 minutes west longitude)
Map showing thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains; northeastern states, the Great Lakes, and parts of southern Ontario and the Atlantic offshore area (east of 80 degrees 31 minutes west longitude)