Great Lakes in Danger of an Oil Spill   Click the link about an oil pipeline under Mackinac Bridge.

Read about the Great Lakes in my book, the Dynamic Great Lakes widely available at Amazon.com, bn.com and many bookstores.  this book is also available on the Kindle reader:


https://www.amazon.com/Dynamic-Great-Lakes-Barbara-Spring-ebook/dp/B005HM9BGU/ref=tmm_kin_swatch_0?_encoding=UTF8&qid=&sr=