Northern Pacific interlocking tower at Tacoma, Washington, on October 22, 1967. Reservation tower, train order signal, northbound freight train with run-through Southern Pacific power approaching in distance. Photo by J.M. Fredrickson . Other Subject Classes: interlocking tower, train order signal, freight train

Northern Pacific interlocking tower operator Carl Millmott at Tacoma, Washington, on October 22, 1967. Operating lever at Reservation tower. Photo by J.M. Fredrickson . Other Subject Classes: railroad employee, interlocking tower

Northern Pacific junction at Tacoma, Washington, circa 1927. Joint facilities view of new Reservation tower under construction, new track arrangement, workers installing interlocking and other equipment. Photo by James Fisher, J.M. Fredrickson collection. Other Subject Classes: railroad yard, interlocking tower, railroad employee

Northern Pacific Land Company Building at Tacoma, Washington, circa 1875. Large frame mansion on hillside, children in front. J.M. Fredrickson collection. Other Subject Classes: office building, house, people

DISPUTE DATA Northern Pacific Land Company Building at Tacoma, Washington, circa 1920. Tacoma Land Co Building Copy, Davidson photo. J.M. Fredrickson collection. Other Subject Classes: Land Company Building,

Northern Pacific Land Company Building at Tacoma, Washington, circa 1920. Frame Victorian mansion in state of deterioration, autos at curb. J.M. Fredrickson collection. Other Subject Classes: office building, house, automobile

Northern Pacific living quarters at Martin, Washington, in 1943. Boxcar body living quarters for third trick telegraph operators, R.F. Hager in door. Photo by J.M. Fredrickson . Other Subject Classes: living quarters, railroad employee

Northern Pacific living quarters at Martin, Washington, in 1945. Frame building for first and second trick telegraph operators, in heavy snow. Photo by J.M. Fredrickson . Other Subject Classes: living quarters

Northern Pacific living quarters at Martin, Washington, in 1945. Frame building for first and second trick telegraph operators, in heavy snow. Photo by J.M. Fredrickson . Other Subject Classes: living quarters

Northern Pacific living quarters at Martin, Washington, in 1945. Frame building for first and second trick telegraph operators, in heavy snow. Photo by J.M. Fredrickson . Other Subject Classes: living quarters