In the high country of Colorado, scientists are doing something unusual to manage rivers. Instead of pouring concrete or digging engineered channels, they’re deploying hand-built wooden dams. But ...
GETTYSBURG, Pa. — A beaver-built pond inside Gettysburg National Military Park is drawing attention and concern from conservationists who say the wetland has become an important habitat for wildlife.
Results that may be inaccessible to you are currently showing.
Hide inaccessible results