Denver Public Library Western History/Genealogy Digital Collections

- UP locomotive, engine number 3636, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end, stored. Photographed: Ogden, Utah, October 16, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Utah--Ogden.; Union Pacific Railroad Company.
- 1931
- UP locomotive, engine number 3927, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end, pole by tender. Photographed: Green River, Wyo., October 24, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Wyoming--Green River.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3643, engine type 2-8-8-0
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., May 21, 1939.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1939.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1939
- UP locomotive, engine number 3641, engine type 2-8-8-0
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., January 18, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1931
- UP locomotive, engine number 3640, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Laramie, Wyo., April 12, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1931
- Colorado & Southern train, engine number 354, engine type 4-6-2
- Train #22, Colorado Sprcial; 7 cars, 34 MPH. Photographed: Denver, Colo., February 8, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Colorado--Denver.; Colorado and Southern Railway.
- 1931
- UP locomotive, engine number 3646, engine type 2-8-8-0
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., May 15, 1938.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1938.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1938
- UP locomotive, engine number 3641, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Laramie, Wyo., August 2, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1931
- UP locomotive, engine number 3835, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Lima, Mont., June 23, 1949.
- Locomotives--1940-1950.; Railroads--Trains--Pictorial works--1949.; Railroad locomotives--Montana--Lima.; Union Pacific Railroad Company.
- 1949
- UP locomotive, engine number 3653, engine type 2-8-8-0
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., July 29, 1928.
- Locomotives--1920-1930.; Railroads--Trains--Pictorial works--1928.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1928
- UP locomotive, engine number 3660, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Ogden, Utah, October 16, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Utah--Ogden.; Union Pacific Railroad Company.
- 1931
- UP locomotive, engine number 3647, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Ogden, Utah, October 16, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Utah--Ogden.; Union Pacific Railroad Company.
- 1931
- Colorado & Southern train, engine number 370, engine type 4-6-2
- Train #22, Colorado Special; 9 cars, 12 MPH. Photographed: Denver, Colo., March 9, 1926.
- Locomotives--1920-1930.; Railroads--Trains--Pictorial works--1926.; Railroad locomotives--Colorado--Denver.; Colorado and Southern Railway.
- 1926
- UP locomotive, engine number 3647, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Dupont, Colo., January 17, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Colorado--Dupont.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3639, engine type 2-8-8-0
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., November 25, 1934.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1934.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1934
- Colorado & Southern train, engine number 270, engine type 4-6-2
- Train #22, passenger; 2 cars, 30 MPH. Photographed: Denver, Colo., April 22, 1928.
- Locomotives--1920-1930.; Railroads--Trains--Pictorial works--1928.; Railroad locomotives--Colorado--Denver.; Colorado and Southern Railway.
- 1928
- UP locomotive, engine number 3834, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Dubois, Ida., June 23, 1949.
- Locomotives--1940-1950.; Railroads--Trains--Pictorial works--1949.; Railroad locomotives--Idaho--Dubois.; Union Pacific Railroad Company.
- 1949
- UP locomotive, engine number 3904, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Ogden, Utah, July 30, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Utah--Ogden.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3657, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Cheyenne, Wyo., June 2, 1935.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1935.; Railroad locomotives--Wyoming--Cheyenne.; Union Pacific Railroad Company.
- 1935
- UP locomotive, engine number 3639, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Laramie, Wyo., January 31, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3705, engine type 2-8-8-0
- Three-quarter view of left side of engine, from front end. Photographed: Butte, Mont., September 26, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Montana--Butte.; Union Pacific Railroad Company.
- 1931
- UP locomotive, engine number 3920, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Ogden, Utah, July 30, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Utah--Ogden.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3709, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Cheyenne, Wyo., April 11, 1954.
- Locomotives--1950-1960.; Railroads--Trains--Pictorial works--1954.; Railroad locomotives--Wyoming--Cheyenne.; Union Pacific Railroad Company.
- 1954
- Colorado & Southern train, engine number 370, engine type 4-6-2
- Train #28, Colorado Special; 12 cars, 30 MPH. Photographed: Leaving Palmer Lake, Colo., ca. 1930.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1930.; Railroad locomotives--Colorado--Palmer Lake.; Colorado and Southern Railway.
- 1930
- UP locomotive, engine number 3820, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Denver, Colo., April 5, 1953.
- Locomotives--1950-1960.; Railroads--Trains--Pictorial works--1953.; Railroad locomotives--Colorado--Denver.; Union Pacific Railroad Company.
- 1953
- UP locomotive, engine number 3915, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., July 11, 1942.
- Locomotives--1940-1950.; Railroads--Trains--Pictorial works--1942.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1942
- UP locomotive, engine number 3951, engine type 4-6-6-4
- Left side view of engine. Photographed: Denver, Colo., April 22, 1946.
- Locomotives--1940-1950.; Railroads--Trains--Pictorial works--1946.; Railroad locomotives--Colorado--Denver.; Union Pacific Railroad Company.
- 1946
- UP locomotive, engine number 3967, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Buford, Wyo., May 17, 1953.
- Locomotives--1950-1960.; Railroads--Trains--Pictorial works--1953.; Railroad locomotives--Wyoming--Buford.; Union Pacific Railroad Company.
- 1953
- UP locomotive, engine number 3901, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Green River, Wyo., June 20, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Wyoming--Green River.; Union Pacific Railroad Company.
- 1937
- Colorado & Southern train, engine number 370, engine type 4-6-2
- Train #21, Gulf Coast Special; 9 cars, 40 MPH. Photographed: Near Larkspur Colo., August 15, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Colorado--Larkspur.; Colorado and Southern Railway.
- 1931
- UP locomotive, engine number 3920, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Ogden, Utah, July 30, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Utah--Ogden.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3902, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Green River, Wyo., June 20, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Wyoming--Green River.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3900, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Green River, Wyo., June 20, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Wyoming--Green River.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3905, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., May 15, 1938.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1938.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1938
- UP locomotive, engine number 3914, engine type 4-6-6-4
- Three-quarter view of left side of engine, from front end. Photographed: Rawlins, Wyo., October 22, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Wyoming--Rawlins.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3918, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., October 22, 1937.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1937.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1937
- UP locomotive, engine number 3923, engine type 4-6-6-4
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., May 21, 1939.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1939.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1939
- UP locomotive, engine number 5040, engine type 2-10-2
- Three-quarter view of left side of engine, from front end, has Elesco feedwater heater. Photographed: North Platte, Nebr., March 8, 1936.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1936.; Railroad locomotives--Nebraska--North Platte.; Union Pacific Railroad Company.
- 1936
- Colorado & Southern train, engine number 370, engine type 4-6-2
- Train #31, Zephyr Connection; 5 cars, snowing. Photographed: Boulder, Colo., February 25, 1951.
- Locomotives--1950-1960.; Railroads--Trains--Pictorial works--1951.; Railroad locomotives--Colorado--Boulder.; Colorado and Southern Railway.
- 1951
- UP locomotive, engine number 5041, engine type 2-10-2
- Three-quarter view of left side of engine, from front end. Photographed: North Platte, Nebr., November 19, 1939.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1939.; Railroad locomotives--Nebraska--North Platte.; Union Pacific Railroad Company.
- 1939
- UP locomotive, engine number 5045, engine type 2-10-2
- Three-quarter view of left side of engine, from front end. Photographed: Sidney, Nebr., July 5, 1931.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1931.; Railroad locomotives--Nebraska--Sidney.; Union Pacific Railroad Company.
- 1931
- UP locomotive, engine number 5046, engine type 2-10-2
- Three-quarter view of left side of engine, from front end. Photographed: Sidney, Nebr., October 15, 1939.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1939.; Railroad locomotives--Nebraska--Sidney.; Union Pacific Railroad Company.
- 1939
- UP locomotive, engine number 5049, engine type 2-10-2
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., April 29, 1928.
- Locomotives--1920-1930.; Railroads--Trains--Pictorial works--1928.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1928
- Colorado & Southern train, engine number 370, engine type 4-6-2
- Train #27, Texas Fast Mail; 6 cars, 45 MPH. Photographed: Near Louviers, Colo., March 4, 1934.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1934.; Railroad locomotives--Colorado--Louviers.; Colorado and Southern Railway.
- 1934
- UP locomotive, engine number 5034, engine type 2-10-2
- Three-quarter view of right side of engine, from front end. Photographed: North Platte, Nebr., March 8, 1936.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1936.; Railroad locomotives--Nebraska--North Platte.; Union Pacific Railroad Company.
- 1936
- UP locomotive, engine number 5050, engine type 2-10-2
- Three-quarter view of right side of engine, from front end. Photographed: North Platte, Nebr., November 18, 1939.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1939.; Railroad locomotives--Nebraska--North Platte.; Union Pacific Railroad Company.
- 1939
- UP locomotive, engine number 5055, engine type 2-10-2
- Three-quarter view of left side of engine, from front end. Photographed: Sidney, Nebr., October 15, 1939.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1939.; Railroad locomotives--Nebraska--Sidney.; Union Pacific Railroad Company.
- 1939
- UP locomotive, engine number 5056, engine type 2-10-2
- Three-quarter view of right side of engine, from front end. Photographed: Laramie, Wyo., October 22, 1938.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1938.; Railroad locomotives--Wyoming--Laramie.; Union Pacific Railroad Company.
- 1938
- UP locomotive, engine number 5057, engine type 2-10-2
- Three-quarter view of right side of engine, from front end. Photographed: North Platte, Nebr., September 14, 1930.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1930.; Railroad locomotives--Nebraska--North Platte.; Union Pacific Railroad Company.
- 1930
- Colorado & Southern train, engine number 370, engine type 4-6-2
- Train #8, Colorado Express; 4 cars, 20 MPH. Photographed: Arriving Dalhart, Texas, May 7, 1934.
- Locomotives--1930-1940.; Railroads--Trains--Pictorial works--1934.; Railroad locomotives--Texas--Dalhart.; Colorado and Southern Railway.
- 1934