CNX Decides to Buy Frack Sand Direct from Wisconsin CNX Resources | Energy Companies | Industrywide Issues | Sand/Proppant January 29, 2019February 3, 2019 Hi-Crush Partners, a frack sand vendor, announced yesterday they’ve cut a long-term deal to supply Northern White frack sand, which comes from Wisconsin, to CNX Resources for fracking Marcellus and Utica wells. So why is that a big deal? Please Login to view this content. (Not a member? Join Today!) Related