Northern Pacific dispatchers office in Union Station at Tacoma, Washington, on January 8, 1968. "Mountain desk" with trainsheet, communications equipment including selective telephone to contact stations. Photo by J.M. Fredrickson . Other Subject Classes: dispatchers office, communications equipment

Northern Pacific dispatchers office in CTC room, Union Station, Tacoma, Washington, on January 14, 1968. "Mountain desk" with trainsheet, communications equipment including direct station telephone. Photo by J.M. Fredrickson . Other Subject Classes: dispatchers office, communications equipment

Northern Pacific dispatchers office in CTC room, Union Station, Tacoma, Washington, on January 14, 1968. "Mountain desk" with trainsheet, communications equipment including direct station telephone. Photo by J.M. Fredrickson . Other Subject Classes: dispatchers office, communications equipment

Northern Pacific dispatchers office in Union Station at Tacoma, Washington, on January 8, 1968. "Mountain desk" with trainsheet, communications equipment including direct station telephone. Photo by J.M. Fredrickson . Other Subject Classes: dispatchers office, communications equipment

Northern Pacific dispatchers office in Union Station at Tacoma, Washington, on January 8, 1968. "Double Track North desk" with trainsheet, communications equipment including direct station telephone. Photo by J.M. Fredrickson . Other Subject Classes: dispatchers office, communications equipment

Northern Pacific dispatching equipment at Missoula, Montana, circa 1960. Portion of new centralized traffic control (CTC) board and unidentified dispatcher, governing line between Missoula and Garrison. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment, CTC equipment, train dispatcher

Northern Pacific dispatching equipment at Missoula, Montana, circa 1960. New centralized traffic control (CTC) board and unidentified dispatcher, governing line between Missoula and Garrison. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment, CTC equipment, train dispatcher

Northern Pacific dispatching equipment at Spokane, Washington, in July 1963. Centralized Traffic Control (CTC) board, dispatcher F.V. Sloop. Photo by J.M. Fredrickson . Other Subject Classes: station, dispatching equipment, railroad employee

Northern Pacific wharf at Tacoma, Washington, circa 1890. Boxcars await loading, a large steamship and sailing ship are moored to the dock, laborers move about the pier. J.M. Fredrickson collection. Other Subject Classes: dock, freight car, ship, people

Northern Pacific wharf at Tacoma, Washington, circa 1890. Boxcars await loading, a large steamship and sailing ship are moored to the dock, laborers move about the pier. J.M. Fredrickson collection. Other Subject Classes: dock, freight car, ship, people