181. Open Pit Mine and Ore Cars Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
182. 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.
183. 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.
184. 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.
185. 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.
186. 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.
187. 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.
188. 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.
189. 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.
190. 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.