![ATSF2928](https://www.trains.com/wp-content/uploads/2020/10/atsf2928.jpg)
Santa Fe 4-8-4 No. 2928. Near Romero, N.Mex., with second section of westbound California Limited, October 1947. Preston George photo
![ATSF2928](https://www.trains.com/wp-content/uploads/2020/10/atsf2928-100x80.jpg)
![ATSF5023](https://www.trains.com/wp-content/uploads/2020/10/atsf5023.jpg)
Santa Fe 2-10-4 No. 5023. East of Belen, N.Mex., with the eastbound Grand Canyon. Otto Perry photo
![ATSF5023](https://www.trains.com/wp-content/uploads/2020/10/atsf5023-100x80.jpg)
![BLE647](https://www.trains.com/wp-content/uploads/2020/10/ble647.jpg)
Bessemer & Lake Erie 2-10-4 No. 647. Climbing Conneaut Hill with an iron-ore train (and two 2-10-4 pushers). B&LE photo
![BLE647](https://www.trains.com/wp-content/uploads/2020/10/ble647-100x80.jpg)
![BO7611](https://www.trains.com/wp-content/uploads/2020/10/bo7611.jpg)
Baltimore & Ohio EM-1 2-8-8-4 No. 7611. Eastbound at Altamont, W.Va., in the 1940s. Classic Trains collection
![BO7611](https://www.trains.com/wp-content/uploads/2020/10/bo7611-100x80.jpg)
![CO1622](https://www.trains.com/wp-content/uploads/2020/10/co1622.jpg)
Chesapeake & Ohio H-8 2-6-6-6 No. 1622. At Alderson, W.Va., 1940s. B. F. Cutler photo
![CO1622](https://www.trains.com/wp-content/uploads/2020/10/co1622-100x80.jpg)
![CO2721](https://www.trains.com/wp-content/uploads/2020/10/co2721.jpg)
Chesapeake & Ohio K-4 2-8-4 No. 2721. Eastbound with 140 coal loads (and 2-6-6-2 pusher) at Dock, W.Va., September 1955. Philip R. Hastings photo
![CO2721](https://www.trains.com/wp-content/uploads/2020/10/co2721-100x80.jpg)
![CN6065](https://www.trains.com/wp-content/uploads/2020/10/cn6065.jpg)
Canadian National U-1-f 4-8-2 No. 6065. At Oshawa, Ont., mid-1940s. Robert Holden photo
![CN6065](https://www.trains.com/wp-content/uploads/2020/10/cn6065-100x80.jpg)
![CN6264](https://www.trains.com/wp-content/uploads/2020/10/cn6264.jpg)
Canadian National U-2-g 4-8-4 No. 6264. Eastbound at Oakville, Ont., June 1946. W. H. N. Rossiter photo
![CN6264](https://www.trains.com/wp-content/uploads/2020/10/cn6264-100x80.jpg)
![CP1200](https://www.trains.com/wp-content/uploads/2020/10/cp1200.jpg)
Canadian Pacific G5 4-6-2 No. 1200. Brand new at CP’s Angus Shops, Montreal, 1944. CP photo
![CP1200](https://www.trains.com/wp-content/uploads/2020/10/cp1200-100x80.jpg)
![CP2439](https://www.trains.com/wp-content/uploads/2020/10/cp2439.jpg)
Canadian Pacific G3 4-6-2 No. 2439. Westbound between Moose Jaw and Swift Current, Sask., December 1956. Robert Hale photo
![CP2439](https://www.trains.com/wp-content/uploads/2020/10/cp2439-100x80.jpg)
![CP5459](https://www.trains.com/wp-content/uploads/2020/10/cp5459.jpg)
Canadian Pacific P2 2-8-2 No. 5459. On turntable at Brownville Junction, Maine, July 1945. Jim Bennett photo
![CP5459](https://www.trains.com/wp-content/uploads/2020/10/cp5459-100x80.jpg)
![CRIP5103](https://www.trains.com/wp-content/uploads/2020/10/crip5103.jpg)
Rock Island R-67B 4-8-4 No. 5103. Westbound at Lawrence, Kans., January 1951. Robert Olmsted photo
![CRIP5103](https://www.trains.com/wp-content/uploads/2020/10/crip5103-100x80.jpg)
![LN1965](https://www.trains.com/wp-content/uploads/2020/10/ln1965.jpg)
Louisville & Nashville M-1 2-8-4 No. 1965. On the “slip track” for breaking in after overhaul at South Louisville Shops, mid-1948. W. Terrell Dickey photo
![LN1965](https://www.trains.com/wp-content/uploads/2020/10/ln1965-100x80.jpg)
![LHR11](https://www.trains.com/wp-content/uploads/2020/10/lhr11.jpg)
Lehigh & Hudson River 4-8-2 No. 11. At Maybrook, N.Y., 1949. Stanley Kitzelman photo
![LHR11](https://www.trains.com/wp-content/uploads/2020/10/lhr11-100x80.jpg)
![MILW261](https://www.trains.com/wp-content/uploads/2020/10/milw261.jpg)
Milwaukee Road S3 4-8-4 No. 261. Westbound at Elm Grove, Wis., September 1954. Philip R. Hastings photo
![MILW261](https://www.trains.com/wp-content/uploads/2020/10/milw261-100x80.jpg)
![NW1231](https://www.trains.com/wp-content/uploads/2020/10/nw1231.jpg)
Norfolk & Western class A 2-6-6-4 No. 1231. Westbound at Blue Ridge, Va., August 1958. Jim Shaughnessy photo
![NW1231](https://www.trains.com/wp-content/uploads/2020/10/nw1231-100x80.jpg)
![NKP750](https://www.trains.com/wp-content/uploads/2020/10/nkp750.jpg)
Nickel Plate Road S-2 2-8-4 No. 750. Departing Bellevue, Ohio, with 124-car westbound freight, September 1955. Philip R. Hastings photo
![NKP750](https://www.trains.com/wp-content/uploads/2020/10/nkp750-100x80.jpg)
![NYC3146](https://www.trains.com/wp-content/uploads/2020/10/nyc3146.jpg)
New York Central L-4 4-8-2 No. 3146. On turntable at Harmon, N.Y., late 1940s. Ed Nowak photo
![NYC3146](https://www.trains.com/wp-content/uploads/2020/10/nyc3146-100x80.jpg)
![PM1229](https://www.trains.com/wp-content/uploads/2020/10/pm1229.jpg)
Pere Marquette N-2 2-8-4 No. 1229. Eastbound at Trowbridge tower, 2 miles east of Lansing, Mich., on Chesapeake & Ohio’s Pere Marquette District, June 1950. James R. Stiefel photo
![PM1229](https://www.trains.com/wp-content/uploads/2020/10/pm1229-100x80.jpg)
![PRR6131](https://www.trains.com/wp-content/uploads/2020/10/prr6131.jpg)
Pennsylvania Q2 4-4-6-4 No. 6131. Builder’s photo at Altoona, Pa., August 1944. PRR photo
![PRR6131](https://www.trains.com/wp-content/uploads/2020/10/prr6131-100x80.jpg)
![PRR6171](https://www.trains.com/wp-content/uploads/2020/10/prr6171.jpg)
Pennsylvania J1 2-10-4 No. 6171. Northbound north of Columbus, Ohio, September 1955. Philip R. Hastings photo
![PRR6171](https://www.trains.com/wp-content/uploads/2020/10/prr6171-100x80.jpg)
![PRR6200](https://www.trains.com/wp-content/uploads/2020/10/prr6200.jpg)
Pennsylvania S2 6-8-6 turbine No. 6200. Eastbound at 21st Street Junction, Chicago, March 1948. Robert Bryson photo
![PRR6200](https://www.trains.com/wp-content/uploads/2020/10/prr6200-100x80.jpg)
![SPS910](https://www.trains.com/wp-content/uploads/2020/10/sps910.jpg)
Spokane, Portland & Seattle Z-8 4-6-6-4 No. 910. Eastbound at Marshall, Wash., circa 1950. Philip R. Hastings photo
![SPS910](https://www.trains.com/wp-content/uploads/2020/10/sps910-100x80.jpg)
![SP4293](https://www.trains.com/wp-content/uploads/2020/10/sp4293.jpg)
Southern Pacific AC-12 4-8-8-2 No. 4293. Eastbound on Donner Pass just below Soda Springs, Calif., October 1947. Jim Morley photo
![SP4293](https://www.trains.com/wp-content/uploads/2020/10/sp4293-100x80.jpg)
![UP835](https://www.trains.com/wp-content/uploads/2020/10/up835.jpg)
Union Pacific 4-8-4 No. 835. At Denver Union Station with President Truman’s campaign train, Sept. 20, 1948. Elmer Treolar photo
![UP835](https://www.trains.com/wp-content/uploads/2020/10/up835-100x80.jpg)
![UP3937](https://www.trains.com/wp-content/uploads/2020/10/up3937.jpg)
Union Pacific 4-6-6-4 No. 3937. North Platte, Nebr., circa 1948–49. Arthur Stensvad photo
![UP3937](https://www.trains.com/wp-content/uploads/2020/10/up3937-100x80.jpg)
![UP4024](https://www.trains.com/wp-content/uploads/2020/10/up4024.jpg)
Union Pacific 4-8-8-4 No. 4024. Under the coal dock at Laramie, Wyo., August 1957. Jim Shaughnessy photo
![UP4024](https://www.trains.com/wp-content/uploads/2020/10/up4024-100x80.jpg)