I haven't read him,but I'm sure its a rich topic to cover given the number and how well they are preserved in the cold water

If you stop at the Hurricane campground on Lake Superior in the U.P. and hike to the Au Sable light house you pass by 2 shipwrecks that you can walk out to if you're brave enough to stand the cold water. The water is crystal clear.

This is a picture of the shipwreck Sitka that went down in 1904 near the Au Sable lighthouse

[Linked Image]

have you paid your dues, can you moan the blues, can you bend them guitar strings