NORTHERN PACIFIC STEAM POWER: The extensive photo collection of NP steam locomotives was taken mainly in the late 1930s to 1950s era in numerous locations in Minnesota, Wisconsin, North Dakota, Montana, Idaho, Washington and Oregon. The locomotive types included are American (3), Atlantic (1), Mogul (6), Prairie (32), Ten-Wheeler (39), Consolidation (48), Mastodon (1), Pacific (81), Mikado (204), Northern (31), Mallet 2-8-8-2 (7), Yellowstone (4), Challenger (17), 0-6-0 Switcher (67), 0-8-0 Switcher (17) and Heisler (1).

Almost all of the 560 photos are from original black & white medium-format (2x4) negatives and presented in "book" form on a self-starting CD-ROM with information on the locomotives. Works in PCs (WIN 2000/XP/Vista/7) and Macs. The photos can be printed out. US$19.95 + US$15 international shipping