by Don Sullivan - Canadian Dimension  Don Sullivan (above) is the spokesperson for What The Frack Manitoba, the former director of the Boreal Forest Network and special adviser to the government of Manitoba on the Pimachiowin Aki UNESCO World Heritage site. He's a research affiliate with the Canadian Centre for Policy Alternatives and a Queen Golden Jubilee medal recipient. Two corporations, both Alberta-based, are in the midst of seeking Government of Manitoba approval to build and operate silica sand mines and processing facilities that would extract and process some 2.6 million tonnes of silica sand per year.  Story here. RELATED: "Is Manitoba's Brokenhead River about to become a dumping ground for an Alberta-based sand-mining company?"