Barges carrying mounds of coal toward St. Louis passed by Starved Rock at a snail’s pace, inching past yellow-orange trees and sandstone canyons. A bald eagle hovered above a path leading hikers toward Lover’s Leap. Near the Starved Rock Lock and Dam, a pinch point along the Illinois River, the water was dull and unremarkable.
Click here for original story, Algae blooms, which can threaten drinking water and human health, pop up regularly and may increase
Source: Phys.org