SLEEPY BEAR MINING

Green & Environmentally Friendly Production Mining Services
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Manufacturing

california gold mfg
Modern Technology Engineering
Became the first successful company in 1984 to manufacture and put into operation the largest specific gravity gold/black sand concentrating wheels in the world.
Never Been Copied to date.

To date the design has not been commercially copied nor has any other company put them into production. With our new 21st century design, it has rocketed us to the front of green mining. No crushing of rock and no chemicals.

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Black Sand Recovery & Refining Systems