This is The Model Railroaders's Guide To Logging Railroads by Matt Colemann from Kalmbach Books
This 79 page book traces the history of the timber industry and it's railroads, following advances in logging methods and equipment, specialized rolling stock and the development of geared steam locomotives, including the Shay, Climax and Heisler designs This book also includes information and tips about: Logging camps and structures.
Sawmills and log ponds.
Skeleton cars, log bunks and other rolling stock.
Loading and unloading log trains.
Track planning for logging lines and geared steam locomotives More than 150 photos and diagrams.