Twin City Lines Manhole Cover Near the lower portal of the tunnel, a manhole cover seals the electrical connection for the streetcar line. Twin Cities Lines is the predecessor for Twin Cities Rapid Transit. Related Similar Images ...based on the tags: grass, manhole-cover, sepia... The new concrete workhouse, as seen through chickenwire. The largest extant structure when I visited. The lower portal of the Selby Tunnel, as it looks today. The area is a popular spot for homeless to camp–can you spot the tent? At the extreme eastern end of the plant is a bank of modern concrete silos. Kodak Portra 160/Mamiya 6. The metallic arms of the missile erector, which would stand rockets over the blast pit in the launch position. Medium Format film–cheap but excellent Fomapan 100 in a Pentax 67. These were some of the most attractive shops of all the mines in the area. It’s no wonder Hanna Mining wanted to use them as their center of operations in the Iron River district. The only door into a large windowless concrete room, probably a storage bin. Kodak Portra 160/Mamiya 6. “Man has set for himself the goal of conquering the world but in the processes loses his soul.” Aleksandr Solzhenitsyn, Russian writer and historian. This building was an office and lounge for engineers. It is also demolished.