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Beyond Assessment:

28 Badger 150Helmet-CAM Technology Influencing Dust Exposure Awareness and Response.

By Emily J. Haas and Andrew B. Cecala


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A Better Blend

24 Blend 150A.F. Gelhar Diversifies to Produce Silica Sand for Use as Frac Sand.

By Mark S. Kuhar


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Focus on Frac

14 Frac 150Low Oil Prices Have Taken Their Toll, But Frac Sand Production Continues and There Are Positive Signals Ahead.

By Mark S. Kuhar

Read more: Focus on Frac