Most life was wiped out, and the creatures that did survive huddled in small pockets of open water, where hot springs continued to bubble up. This was Snowball Earth â a deep freeze that began around 715 million years ago and held Earth in its icy grip for a good 120 million years. There are no other comparable glacial periods on Earth.
Lake Barkley Lake Levels. The lake's level is fluctuated from summer to winter for flood control purposes. Summer pool (359 ft. sea level) is normally reached by May 1. The water level begins dropping gradually on July 1, and winter pool (354 ft.) is reached by December 1.
Welcome to Kentucky Lake, Lake Barkley & Land Between The Lakes. Together, Kentucky Lake and Lake Barkley form the largest body of water between the Great Lakes and the Gulf of Mexico. With over 210,000 acres of water, Kentucky Lake and Lake Barkley provide plenty of room for fishing, boating, and outdoor recreation.