I have been doing a bit of maintenance on the site. I filled a gap on the Milwaukee to Door county route. I also added links the pdfs of the Great Lakes History Tours, published in the 1970s. The Lake Superior guide is a full pdf copy (minus the fold-out map) that I found on the Government Printing Office web site. The Lake Michigan pdf includes the route instructions and two city maps. While old, these guides can be a valuable starting point for trip planning. If you use them, please send me a report, so I can update them with current information.