Inside Eagle Mine III This tunnel goes to the adit over the Eagle River Mills. I bet those carts go fast down here! Similar Images ...based on the tags: levers, orange, rusty, tracks, tunnels... A long exposure of the side of the coke ovens, lit by the nearby streetlights. A volcano (?) under a window. A flooded assembly line. The powerhouse was notably older than the rest of the complex. I’m still not sure if it was build just for the cooperage, or whether it preceded it. There were bins with hundreds of spools in them in the basement. Grain is taken from the bottom of the silos through a conveyor in a tunnel. These blowers keep the air in the tunnel fresh. A rooftop scene. Note the rails in the floor that guided cars to the coating line, the side of which is lined with the windows in the center of the image. The spectacular, if precarious, view of downtown Minneapolis from the roof of ADM Annex 4. Note the great messages left by various graffiti artists who made it to the spot.