Provides model railroaders with an overview of North American mining, refining, and agricultural operations served by the railroads, and the specific techniques used to model them on a realistic layout of any scale. Jeff Wilson's clear, concise style makes these complex industries easy to understand and model. Numerous photos and illustrations show key structures; the sequence of operations, and the details modelers can incorporate to accurately represent the industries. Perfect for intermediate and skilled beginning model railroaders, and those interested in prototype railroading.