Vol 1: Roseville and Sacramento Valley 1971-75 Featuring the last F7s, By Bill Wolverton. Cloth with dust jacket, 11x8.5", 128 all color pages. 2018. "Former SP employee Bill Wolverton had the internal knowledge of where the vanishing F-units, Alcos, and other “goodies” were lurking and the photographic skills to record them in beautiful action sequences."