1. 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.
2. 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.
3. 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.
