 Statesman Journal | Marion County arres ts major Silverton marijuana dealer OregonLive.com By Alison Barnwell, The Oregonian View full sizeMarion County Sheriff's OfficeThe search of Matthew Marquis' Silverton home revealed 4.25 pounds of dried marijuana. Marion County deputies seized 99 marijuana plants Monday evening during the arrest of a ... Deputies: Silverton man was growing 99 pot plants in basement |