frac sand western

  • Mining: Frac

    Frac sand is currently being mined from sandstone formations in much of western and central Wisconsin. The same formations are less well exposed and generally more fine-grained in the eastern and southern parts of the state.

  • DNR investigating western Wisconsin spill at frac-sand ...

    MADISON, Wis. (AP) — The state Department of Natural Resources is investigating a spill at a Jackson County frac-sand mine. The Wisconsin State Journal reports the spill occurred Saturday at the 670-acre Wisconsin Proppants Hixton mine in the town of Curran northwest of Black River Falls.