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IE-TEC’s Heavy Particle Concentration (HPC) technology allows for cost-effective gravity separation of minerals. Based on our revolutionary, new patented t ...
Gold separation  Miners Prospectors  placer mine 
www.ie-tec.com - 2009-02-06
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Civil engineering specialists in program management, bridge scour, gravel mining, hydraulics and hydrology. We are a certified california DBE firm
www.avilaassociates.com - 2009-02-06
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SRMG is one of the world's leading suppliers of cement, as well as aggregates (gravel and sand), concrete and construction-related services.
C2P2  Phoenix Cement Company  Verde Gypsum Mine 
www.srmaterials.com - 2009-02-04
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