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In this Aug. 4, 2017 photo, Grant McKnight, CEO of DuraEdge Products Inc., walks into the storage area for the mined raw clay mineral they use in their dirt in Slippery Rock, Pa. DuraEdge supplies dirt for infields for over 20 baseball Teams. (Darrell Sapp/Pittsburgh Post-Gazette via AP)

In this Aug. 4, 2017 photo, Grant McKnight, CEO of DuraEdge Products Inc., walks into the storage area for the mined raw clay mineral they use in their dirt in Slippery Rock, Pa. DuraEdge supplies dirt for infields for over 20 baseball Teams. (Darrell Sapp/Pittsburgh Post-Gazette via AP)

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