A man from rural Mahaska County is facing drug charges.  On Monday (9/14), the Mahaska County Sheriff’s Office, along with the Mid-Iowa Narcotics Enforcement Task Force, executed a search warrant at a residence on 305^th Street.  The search turned up about 75 cultivated marijuana plants growing on the property, plus another 50 pounds of processed marijuana and an unspecified amount of methamphetamine.  Deputies also seized two firearms, explosive devices, cash and drug paraphernalia.  59-year-old Mark Emery Tyrrel was arrested for manufacturing and distributing marijuana with the intent to distribute, possessing meth with the intent to deliver and possessing a gun while a felon.  Tyrrel is due in court Tuesday afternoon (9/15).  The Mahaska County Sheriff’s Office says they expect further charges against Tyrrel.