Calhoun County Sheriff’s Deputies say they were serving a subpoena at a business in Battle Creek yesterday when they discovered a marijuana growing operation.  The Deputies were inside the business on Capital Avenue Southwest when they say they detected a strong marijuana odor.  Deputies got a search warrant and served it at around 3:45 in the afternoon.  They say they found forty marijuana plants growing inside the building.  Another warrant was served at the owner’s home on M-66 in Barry County.  Deputies say they are seeking an arrest warrant for a 41-year-old Bellevue man in this case.