31. Industrial Siding Collection: U.S. President's Railroad Commission Photographs Set: Chicago River and Indiana Railroad: Chicago Industries and Union Stock Yards Location: Chicago, IL Union Stock Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Firemen and Enginemen (BLF&E) Photographer: Anderson, Donald H.
32. Industrial Siding, Armour Animal Feed Plant Collection: U.S. President's Railroad Commission Photographs Set: Chicago River and Indiana Railroad: Chicago Industries and Union Stock Yards Location: Chicago, IL Union Stock Yards Format: Image Creator: Brotherhood of Locomotive Firemen and Enginemen (BLF&E)
33. Kaplan Junk Yard, Yard No. 4, and Yard No. 2 from IHB Hill 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.
34. 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.
35. 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.
36. North 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.
37. CNW main line approaching Kedzie Avenue Interlocking Plant 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. East End of Track No. 3 In Former Yard No. 3 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. East End of Track No. 3 In Former Yard No. 3 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. View of Wood Street Yards Collection: U.S. President's Railroad Commission Photographs Set: Chicago & North Western Railway: Chicago Terminal Division, Proviso Yards Location: Chicago, IL Wood Street Yards Date: 1960 Format: Image Creator: Brotherhood of Locomotive Engineers (BLE) Photographer: Plock, H.G.