New research may help to clean drainage from abandoned mines
Wednesday, December 16, 2009 - 07:56
in Earth & Climate
(PhysOrg.com) -- In a quiet green glen near Ashville, Pa., lies a rust-colored pond. A deep, rectangular hole in the ground, it somewhat resembles an Olympic-sized pool. Few people, however, would make the mistake of swimming laps there. And fewer -- human or animal -- would stop to drink.