A split San Luis Obispo County Board of Supervisors directed staff Tuesday to develop an urgency ordinance regulating the cultivation of medical marijuana that, if adopted, could be on the books until the elected officials pass permanent rules. With a 3-2 vote — Supervisors Adam Hill and Bruce Gibson dissented — the board directed county staff to come back with rules next month banning any new plantings of medical marijuana countywide and, also, prohibiting grows of any
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