While tearing down a dam can cost millions of dollars, the price of keeping an obsolete barrier in place may be even steeper.
The U.S. Army Corps of Engineers said it could make hydroelectric dams on Oregon’s Willamette River safe for endangered salmon by building gigantic mechanical traps and hauling baby fish ...
The U.S. Army Corps of Engineers has dramatically increased the amount of water flowing from two dams in California's Tulare ...
The U.S. Army Corps of Engineers said it could make hydroelectric dams on Oregon’s Willamette River safe for endangered salmon by building gigantic mechanical traps and hauling baby fish ...