Spray Pond The rocket system used several cooling methods, once of which included an evaporation pond, pictured here. Related Similar Images ...based on the tags: fences, fountains, sepia, water, yellow... The approach to the dock is rigidly geometric. I always thought its outline was beautiful against the lake that, by contrast, was always moving. This sawtooth roof collapsed months later under the weight of an early snow. Minnesota Power’s Taconite Harbor power station, as seen through the ship loading control room windows. In the middle of the foundry, an office is untouched by scrappers, legal and not. Inside, warnings and catalogs for machines that are gone, obsolete, and melted down. This building stood on stilts until it was demolished. The top floor handled radio traffic to boats and trains. The bottom floor had locker rooms, records, and a lunchroom. David Aho pictured. Grimy windows and the other half of the complex trade interests and stares. The quenching water was reused over and over. Spring melt flows down the rusty rock house. In the background is the frame for the shaft.