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porter brothers mining in the helena mt valler

porter brothers mining in the helena mt valler

The sound of gold nuggets ringing in a prospector’s pan on the night of July 14 1864 rang in the birth of Helena which grew from a mining claim into Montana’s state capital...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.