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5 results returnedA high-temperature, two-phase extraction technique for tungsten minerals
Recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington
Published Year
Subject
- Gravel--California (1)
- Heavy minerals (1)
- Heavy minerals--California (1)
- Heavy minerals--Oregon (1)
- Heavy minerals--Washington (State) (1)
- Quarries and quarrying--Oregon--By-products (1)
- Quarries and quarrying--Washington (State)--By-products (1)
- Sand--California (1)
- Titanium diboride (1)
- Tungsten (1)
- Zirconium diboride (1)
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