A man from Pottawattamie County was arrested Tuesday on drug charges, in Cass County. The Sheriff’s Office says 47-year old Robert Lee Olwell, of Avoca,  faces felony charges that include two Controlled Substance Violations, and a Drug Tax Stamp Violation. He was also charged with Prohibited Acts, an aggravated misdemeanor. Olwell was taken to the Cass County Jail where he remains held on $35,000 bond.