31. Under the Union Station Concourse Lower Level, North and Southbound Tubes Collection: U.S. President's Railroad Commission Photographs Set: Washington Terminal Co. Railroad: Washington D.C. Union Station and Potomac Yards Location: Washington D.C. Washington DC Union Station Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Anderson, Leo R.
32. Under the Union Station Concourse Lower Level, North and Southbound Tubes Collection: U.S. President's Railroad Commission Photographs Set: Washington Terminal Co. Railroad: Washington D.C. Union Station and Potomac Yards Location: Washington D.C. Washington DC Union Station Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Anderson, Leo R.
33. Shop Area Collection: U.S. President's Railroad Commission Photographs Set: Washington Terminal Co. Railroad: Washington D.C. Union Station and Potomac Yards Location: Washington D.C. Ivy City Car Shop Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Anderson, Leo R.
34. Crest of Hump (upper and lower levels), Yard No. 5 Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Proviso Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.
35. South End Proviso Yard No. 9 Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Proviso Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.
36. Crest of Hump and General Yardmaster's Station, Yard No. 5 Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Proviso Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.
37. South End of Proviso Yard No. 9 Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Proviso Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.
38. Eastward Below Crest of Hump, Yard No. 5 Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Proviso Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.
39. South End Proviso Yard No. 9 Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Proviso Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.
40. South End Proviso Yard No. 9 Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Proviso Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.
