A Holcim plant in Artesia, Miss., will also close. The Massachusetts-based company blames market conditions and a forecasted reduction in demand for cement. Holcim says production will stop but it will keep its equipment and its permits current in hopes of reopening within two years.
The Mason City plant started as Northwestern States Portland Cement Co. in 1908. It was sold to the Swiss firm Holnam in 1990 and was renamed Holcim in 2001.
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