An excellent perfect bound, paperback reference for beginners and and experts alike. Thru the heavy use of photos and diagrams, this book offers an in-depth look at 6 industries: coal (dealers and users), milk, breweries, iron ore, paper, and merchandise traffic. Prototype photos, drawings and information to accurately replicate the industries, including a historical overview of the industry. Detailed and easy-to-follow with more than 160 photos!