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                U.S. Silica Holdings Inc. (SLCA)
    
        
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                Select Sands Corp. (SNS)
    
        
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                Covia Holdings Corporation (CVIA)
    
        
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                Hi-Crush Partners LP representing limited partner interests (HCLP $2.30)
    
        
 
            Q: Sales increase, price per ton increasing, but EBITDA not so much. What is your long term view on  frac sands companies. Deepwater and oil sands are not where I want to be.
I am a patient holder of a small company (SNS) that is working on efficiencies. Should I hold?
    I am a patient holder of a small company (SNS) that is working on efficiencies. Should I hold?