21. 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.
22. East End of Wood Street Yard 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.
23. East End of Yard No. 2 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.
24. East end of Yard No. 4 and a portion of Yard No. 2 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.
25. 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.
26. 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.
27. Fireman taking signals Collection: U.S. President's Railroad Commission Photographs Set: Chicago River and Indiana Railroad: Chicago Industries and Union Stock Yards Location: Chicago, IL CRI Hump Yard Date: 1960 Format: Image Creator: Brotherhood of Locomotive Firemen and Enginemen (BLF&E) Photographer: Anderson, Donald H.
28. Fireman taking signals Collection: U.S. President's Railroad Commission Photographs Set: Chicago River and Indiana Railroad: Chicago Industries and Union Stock Yards Location: Chicago, IL CRI Hump Yard Date: 1960 Format: Image Creator: Brotherhood of Locomotive Firemen and Enginemen (BLF&E) Photographer: Anderson, Donald H.
29. Fireman taking signals Collection: U.S. President's Railroad Commission Photographs Set: Chicago River and Indiana Railroad: Chicago Industries and Union Stock Yards Location: Chicago, IL CRI Hump Yard Date: 1960 Format: Image Creator: Brotherhood of Locomotive Firemen and Enginemen (BLF&E) Photographer: Anderson, Donald H.
30. Halsted Street Yard Collection: U.S. President's Railroad Commission Photographs Set: Chicago River and Indiana Railroad: Chicago Industries and Union Stock Yards Location: Chicago, IL Halstead Street Yard Date: 1960 Format: Image Creator: Brotherhood of Locomotive Firemen and Enginemen (BLF&E) Photographer: Anderson, Donald H.
