Great Lakes Echo - Environmental news of the Great Lakes region

Great Lakes Echo (https://greatlakesecho.org/2010/07/26/monday-mashup-great-lakes-tapestry-map/picture-4-5/)

Picture 4

Published July 22, 2010 at 398 × 272 in MONDAY MASHUP: Great Lakes tapestry map

Wisconsin’s “Driftless Area.” Photo: U.S.G.S.