 So these iconic paintings will be on display at the Ozark Natural and Cultural Resource Center, also known as ONCRC, at 202 South Main Street in Salem from Monday and June 17th until Friday, July 12th. So ONC's hours of operation are from 9 a.m. to 5 p.m. Monday through Friday, and Saturdays from 9 a.m. to 1 p.m.