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RiverStone is a leading producer of aggregates in the Midwest. Our products _ crushed stone, sand and gravel _ are used in a wide variety of construction, environmental, and agricultural applications. From highways and bridges to homes and shopping
Copper Mountain`s flagship asset is the 75% owned Copper Mountain mine located in southern British Columbia near the town of Princeton. The Copper Mountain mine produces over 90 million pounds of copper equivalent per year with a large resource that remains open laterally and at depth. Copper Mountain also has the permitted, development stage Eva Copper Project in Queensland, Australia and an extensive 210,000 hectare highly prospective land package in the Mount Isa area.
Searles Valley Minerals is a Overland Park, KS-based company in the Agriculture and Mining sector.
Imperial Zinc Corp is a Chicago, IL-based company in the Agriculture and Mining sector.
Bruening Rock Products is a Decorah, IA-based company in the Agriculture and Mining sector.