As the Colorado River's giant reservoirs have declined during the last two decades, even larger amounts of water have been ...

The 136th anniversary of the 1889 Johnstown Flood will be recognized May 31. Johnstown Flood National Memorial will ...

Our analyses of the bottom sediments of Green Lake, a fluvial- lake at the confluence of the Tapajós and Amazon rivers indicated that the sand sediments originated mainly from the Alter do Chão ...