FMIB 39530 Map showing the condition of things when the ice-front had withdrawn about one hundred and twenty miles, and while it still
Summary
Map showing the condition of things when the ice-front had withdrawn about one hundred and twenty miles, and while it still filled the valley of the Mohawk. The outlet was then through the Wabash. Niagara was not yet born
Subject: United States--Lakes--Maps, Glacial epoch--United States--Maps, Lake Erie-Ontario--Maps
Geographic Subject: United States
Tag: Polar
Tags
Date
1892
Source
English: Wright, G. Frederick (1892) Man and the Glacial Period, International Scientific Series, vol. 69, Category:New York: D. Appleton and Company
Copyright info
public domain