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... 2005. Looking across the Mississippi from a park the night after the first snow. One of the generators, weeks before it was taken apart to be shipped to another power plant somewhere else. A ship passes the abandoned dock on its way to Duluth. Taconite dust stains the sides of its hull red. The new concrete workhouse, as seen through chickenwire. A shot of Longmont from the highway. Fuji 35mm. A look at the Longmont Sugar Mill in May 2014. Shadows of distant power lines are carried to the concrete by street lights. About a century later. A view of the main factory building, looking toward the two furnaces. Timbers overlap where mine cars plunged, a strange wooden fence traced the center of the beams.