Photos-Mackinaw River By Michael | March 29, 2012 - 10:22 am |March 29, 2012 Mackinaw River Watershed These are photos taken of the Mackinaw River Watershed and its wildlife. Mackinaw River Photo Gallery Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Share Tagged biological diversity, wildlife. Bookmark the permalink.