(Portland, OR)  --  Police say a traffic stop in Washington County led to the discovery of one-point-five-million dollars' worth of cocaine.  Authorities say the stop was made Wednesday in the area of Southeast 170th Avenue and Merlo Road, where a K-9 unit found an ounce of cocaine in the vehicle.  Afterward, a search warrant was executed at a home in Washington County, where 14 kilos of cocaine were found, along with about 150-thousand dollars in cash.  Two people are in custody on charges of delivery and possession of cocaine.