Plan would grow marijuana in former Mich. mine
(AP) — A Canadian biotechnology company wants to cultivate medical marijuana in a former copper mine in Michigan's Upper Peninsula where it has been growing plants for more than a decade. Prairie Plant Systems Inc.,which has a contract to supply ...
Plan would grow marijuana in former Michigan mine
With video:Underground pot farm could breathe new life into U.P. mining town
Company wants to grow quality medical marijuana in old mine