When mountain permafrost thaws and glaciers melt, glacial lakes can become lethal flood risks for anyone downstream.

Harrison Rock is an 80-ton glacial boulder located on Ohio 590 south of U.S. 6 in Jackson Township. Sometimes called "Harrison's Mess Table" because it was a stopping place for William Henry ...

Some of the largest floods in earth history drained through the Columbia River during Pleistocene glacial periods (Baker, 2009). These events are known as the Missoula Floods or the Scabland Floods.