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  • Black Hills Bentonite has six present day processing plants in Wyoming, the first of which began operations in the little town of Moorcroft, Wyoming in 1947. This operation ran until its closing in 1964. Operations were started again during the same year with the building of a new processing plant in the present day location of Casper, Wyoming. In 1974, Black Hills Bentonite built another processing plant in Worland, Wyoming (approximately 180 miles north of Casper, Wyoming). In 1984 Black Hills Bentonite purchased a competitor's operation in Mills, Wyoming (formerly known as Benton Clay Company).

    In 1997 Black Hills Bentonite built its fifth present day processing facility in Mills, Wyoming. This plant was designed and built exclusively to manufacture granular bentonite products. This plant also bears the name of one of our fo  Click for details>>

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