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These "Beehive" coke ovens were constructed in the late 1890s to carbonize (or "coke") coal mined in the Coal Basin mines to the west for the Colorado Fuel and Iron Company. Two hundred were built because the coal in the surrounding mountains was ideal for refining into coke. At their peak they were producing almost 6 million tons a year. The development was the beginning of the modern settlement of Redstone, Colorado.