Sulfide Mining in Michigan's Upper Peninsula

A white cedar grows on layers of limestone.  I took this photo on Wisconsin's Door Peninsula.  Here you may find fossils of ancient sea creatures in the stones from the times when salt water seas instead of freshwater covered much of the U.S.

Read more about this in my book, The Dynamic Great Lakes, available at Amazon.com, Barnes & Noble and many other stores.

Ice on Lake Michigan

I took this video January 9, 2010.  Read about how ice forms on the Great Lakes in my book, The Dynamic Great Lakes.

Map of Great Lakes Watersheds

The Great Lakes have a relatively small watersheds in comparison with their sizes.  The watershed areas surrounding the five Great lakes are light blue.  These lakes are fed by tributaries and ground water from these watershed and precipitation. 

Ice on Lake Michigan

Ice is forming on the beaches of West Michigan.  It is beautiful but treacherous to walk on due to shifting winds and currents.

Read more about how ice forms on the Great Lakes in my book, The Dynamic Great Lakes.  It is available online and in fine bookstores everywhere.