Description: A map showing the glacial lake succession in New York state, Lake Iroquois. Overflow eastward to the Mohawk. Elevation under 360 feet. A number of intermediate stages are omitted from this series. The three stages shown here are of chief importance. Source: Isaiah Bowman, Ph. D, Forest Physiography (New York, NY: John Wiley and Sons, 1911) 713 Map Credit: The Private Collection of Roy Winkelman |
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