PINCONNING TWP, MI – A Michigan marijuana company is temporarily closing one of its operations, resulting in layoffs, the company confirmed late Friday, Jan. 31. Specific numbers were not immediately available for how many employees would be laid off at Pincanna. The Pinconning Township-based operation has locations in East Lansing, Kalamazoo, Kalkaska and a 135,000-square-foot grow facility in Bay County…