Charles K. Hyde is a native of Pittsfield, Massachusetts. He earned his Bachelor of Arts degree from the University of Massachusetts-Amherst in 1966 and his Ph.D. in history from the University of Wisconsin-Madison in 1971. He is a retired professor of history at Wayne State University, where he had been on the faculty since 1974. His main areas of interest are the history of technology, industrial history, and industrial archaeology. He resides in Royal Oak, Michigan. Professor Hyde's publications include a two-volume inventory of historic engineering and industrial sites and structures in Michigan; Old Reliable, An Illustrated History of the Quincy Mining Company (Four Corners Press, 1982), with Larry Lankton; and Historic Highway Bridges of Michigan (Wayne State University Press, 1993). He has also written on the history of the Detroit automobile industry and is currently working on a history of the American copper mining industry. John and Ann Mahan are free-lance photographers and writers who specialize in the Great Lakes and their watersheds. They live near Gaylord, Michigan, with their two daughters, Jennifer and Kristen, who often accompany them on their travels. Their work has appeared in many magazines, including Audubon, Backpacker, National Geographic, Outdoor Photographer, Outside, Sierra, and Smithsonian and in books by the National Geographic Society, North Word, Reader's Digest Association, Sierra Club, Voyageur Press, and others. They are the authors and photographers for Wild Lake Michigan (Voyageur Press, 1991), and a book on Lake Superior scheduled for publication in 1996.