The Boliden-Allis Group was formed by the take over of Allis-Chalmers mining machinery division by Boliden A.B. of Sweden in 1987. Boliden bought the Allis-Chalmers division for ~ $90 million (us). Boliden-Allis was then taken over by Svedala and then merged with Nordberg to form Metso Minerals Group.
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