Article Photos: As Great Lakes plummet, towns try to save harbors 4/4

  In this Nov. 16, 2012 photo, the white streaks on a steel breakwall show the normal water level on Portage Lake at Onekama, Mich., which is connected by a channel to Lake Michigan. Levels across much of the Great Lakes are abnormally low, causing problems for small harbor towns that rely on boating and water tourism. The Great Lakes, the worldâs biggest freshwater system, are dropping because of drought and climbing temperatures, a trend that accelerated with this yearâs almost snowless winter and scorching summer. (AP Photo/John Flesher)