Showing 110 results

Northern Pacific Railroad rotary snow plow, number 42 clearing the westbound mainline at Martin, Washington in February, 1945. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, maintenance of way

Northern Pacific Railroad rotary snow plow number 42 clearing the westbound mainline at Martin, Washington in February, 1945. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, maintenance of way

Northern Pacific Railroad rotary snowplow number 10 parked at Easton, Washington, circa 1944. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, maintenance of way

Northern Pacific Railroad rotary snow plow number 9 derailed in the Tunnel number 2 cut on Stampede Pass near Martin, Washington in 1949-50. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, maintenance of way

Northern Pacific Railroad rotary snow plow number 9 derailed in the Tunnel number 2 cut on Stampede Pass near Martin, Washington in 1949-50. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, maintenance of way

Northern Pacific Railroad rotary snow plow number 9 derailed in the Tunnel number 2 cut on Stampede Pass near Martin, Washington in 1949-50. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow., maintenance of way

Northern Pacific Railroad rotary snow plow number 9 derailed in the Tunnel number 2 cut on Stampede Pass near Martin, Washington in 1949-50. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, maintenance of way

Northern Pacific Railroad rotary snowplow, number 9, circa 1955, parked at an engine terminal. Built by Alco-Cooke in 1910 and converted from coal to oil burning in 1947. Photo by Jerry Hanson, J.M. Fredrickson Collection. Other Subject Classes: rotary snow plow, maintenance of way.

Northern Pacific Railroad rotary snow plow number 10 clearing the westbound mainline at Martin, Washington in 1944. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, steam locomotive, maintenance of way

Northern Pacific Railroad rotary snow plow number 10 clearing the westbound mainline at Martin, Washington in February, 1945. Photo by J.M. Fredrickson. Other Subject Classes: rotary snow plow, steam locomotive, maintenance of way