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Drainage History of the Southern Great Lake District,



Title: Drainage History of the Southern Great Lake District
Projection: Unknown,
Source Bounding Coordinates:
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Description: A map showing the drainage history of the southern Great Lake district. Retreat of ice from Mohawk valley and discharge of proglacial lakes down the Hudson.
Source: Isaiah Bowman, Ph. D, Forest Physiography (New York, NY: John Wiley and Sons, 1911) 480
Map Credit: The Private Collection of Roy Winkelman
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 Maps ETC > United States > Illinois > Drainage History of the Southern Great Lake District,
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