EcoWatch: Filmmaker Jim Tittle previewed his new documentary film, The Price of Sand, at the historic Sheldon Theatre in Red Wing, Minnesota, to a full house last week. With original interviews, coverage of recent events and local music about frac-sand mining, this visually rich 57-minute film explores the controversy surrounding frac-sand mining.
Minnesota and Wisconsin are experiencing a mining boom because both states have plentiful deposits of pure silica sand, a necessary component in hydraulic fracturing...