North America’s Great Lakes are the largest source of fresh surface water in ... such as the Maumee River in Ohio. This map was created by Erin Aigner for Circle of Blue. Click image to enlarge. This ...

Our map will be the first comprehensive wetland delineation of the binational coastal Great Lakes, and will include adjacent land use and at least two invasive plant species: Typha spp. and Phragmites ...