Limestone Quarry Increases Yearly Production Capacity up to 1.5 Million Tons With New Automated Plant Designed by Innovative Processing Solutions Using Stedman Size Reduction Impact Crushers Huntsville, OH Duff Quarry Inc. (Huntsville, OH) began a new limestone crushing plant in the spring of 2005 to replace their previous plant, which had been running since 1956. While building and designing this new quarry, James Elder Duff, co-

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