Unknown2019-02-042019-02-041955EPM-071-02-006http://hdl.handle.net/20.500.11867/15420Single 8 x 10 inch photograph. Label: 4 x 2 inch. Typed. Date est."Northern Pacific's first locomotive the Minnetonka, stands in contrast to the railway's newest motive power, three 2500-HP units built from an order of 15 for the NP by General Electric. The Minnetonka, purchased in July, 1870, was capable of developing a maximum horsepower of 115."PhotographRailroads--Northern Pacific;