B&O Power In Color
Volume 3: Geeps
By Bob Withers.
Cloth with dust jacket, 8.5x11", 128 glossy pages, color photos throughout. 2018.
"This third and final book in the series by author Bob Withers covers GP9 freight road switchers, the GP7 freight road switchers that didn't make it into Volume 2, GP7 and GP9 passenger road switchers, Baldwin freight road switchers, and higher horsepower EMD units. Included are build dates and most locations, dates and dispositions."