While the spill was relatively small compared ... Line 6B sent more than 843,000 gallons of tar-sands crude oil into the Kalamazoo River watershed near Marshall, Michigan, in 2010.

After crews were able to contain the leak, now environmental groups are working to learn if there was any damage done.

Brooks published “The Kalamazoo River,” through Arcadia Publishing in August. The book discusses the waterway’s historic uses as well as some of the environmental issues that have plagued the river, ...