This atlas contains a board assessment of the results of phosphorus loading reduction in Lake Ontario in the 1970s, including the in-lake phosphorus concentration reduction. It also describes trends of other indicators of recovery from eutrophication. Also illustrated are the chemical/biological aspects of the springtime thermal bar, and lakewide upwelling/downwelling in response to winds in summer.

Documents the stories of a number of sunken vessels on the United States territory in Lake Ontario, among them the steamer Ellsworth, the St. Peter, the Homer Warren, the schooner Etta Belle, the Coast Guard cable boat CG-56022, the schooner William Elgin, the Orcadian, the steamer Samuel F. Hodge, the W.Y. Emery, the British warship Ontario, the schooner C. Reeve, the Queen of the Lakes, the schooner Atlas, the Ocean Wave, the steamer Roberval, the U.S. Air Force C-45, the schooner Three Brothers, the steamship Nisbet Grammer, the steamship Bay State, the schooner Royal Albert, the sloop Washington, and the schooner Hartford. Appendices look at three particular locations: Ford Shoals, Mexico Bay, and the lake near Oswego.

The Little North, north of Superior between Lake Winnipeg and James Bay, is a historic area including over 20 major lake and river system. This oversized atlas reviews the area's geography and canoe routes and features 50 annotated topographical maps.