PITTSBURGH—By now, the U.S. Army Corps of Engineers has a good idea of the issue facing Chautauqua Lake. Now, everyone’s ...

Rock flour settled through the murky water and deposited as a layer of pale sediment on the floor of the lake. Those pale summer layers varied in thickness from a fraction of an inch to as much as ...

Agricultural runoff has become cleaner, with less phosphorus, and there have been public projects to help restore habitat and ...

The lake has between five and seven kilometres of sediment that is built up at the bottom, which researchers have used to date the formation of the lake. A lake's age is measured through isotopic ...

Down the road from Chimney Rock, Lake Lure, is also seeing a lot of heavy machinery. Army Corps crews are removing thousands ...