r/MapPorn - Historical map of the North American Great Lakes published by the War Department Corps of Engineers (1933)[8999 x 6415]

r/MapPorn - Historical map of the North American Great Lakes published by the War Department Corps of Engineers (1933)[8999 x 6415]


March 11, 2021 at 10:07PM
via Instapaper https://ift.tt/3esMhjf