Growing underground: Canadian medicinal marijuana producer tries to put down U.S. roots
Monday, April 30 2012
"A Canadian company is floating a plan to grow marijuana inside a cavernous Michigan mine to serve the state’s legion of 180,000 licensed pot users. Like a similar subterranean operation that Prairie Plant Systems (PPS) owns in Manitoba, the Michigan site would offer security from theft, natural climate control and little chance of contamination, its supporters argue."
