Baltimore & Ohio Off the Beaten Track Volume 4: Secondary Main Lines from White River Productions is the fourth in the Baltimore & Ohio series, explore three divisions which were not part of the core routes connecting the East Coast and the western gateways Chicago and St. Louis: The Buffalo Division (former Buffalo, Rochester & Pittsburgh Railway), the Newark Division, and the Toledo-Indianapolis Division Western Extension. Authors David P. Oroszi, Stephen J. Salamon, and David P. Ori combine their talents in this 232-page hardcover book with more than 290 photos and 11 maps. In addition to the trains, you′ll see towers (inside and out), stations, signs, tunnels, bridges, and many other sights seldom seen in B&O′s outlying territory. Baltimore & Ohio Off the Beaten Track Volume 4 is one of many prototype and model railroad titles from White River.