On Thursday the Richland Iowa Grant County Drug Task force executed a search warrant on Lancaster St in Platteville. As a result 30-year-old Brian Jack of Platteville was arrested for Possession with Intent to Deliver Methamphetamine greater than 50 grams, Felon in Possession of a Firearm, Possession of Cocaine, Possession of Marijuana, Possession of Drug Paraphernalia and Maintain a Drug Trafficking Place. 56-year-old Derrick Jack of Platteville was arrested on a Probation Violation, Possession of Methamphetamine, and Possession of Marijuana. And 32-year-old Danny Mabra of Platteville was arrested on an outstanding Probation Warrant and Possession of Methamphetamine. The Richland Iowa Grant Drug Task Force was assisted by members from the Grant County Sheriff’s Office, the Platteville Police Department, and the Iowa County Sheriff’s Office.