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Google Analytics Dashboard for Map showing the thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains: Northern Great Lake states and central Mississippi Valley states, the Great Lakes, and southern Ontario (80°31ʹ to 93° west longitude)

Map showing the thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains: Northern Great Lake states and central Mississippi Valley states, the Great Lakes, and southern Ontario (80°31ʹ to 93° west longitude)

URI: https://pubs.usgs.gov/publication/i1970B

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