WColumbia DistrictWEnabling Act of 1889WFort ColvileWFort Nez PercésWFort NisquallyWMarmes RockshelterWOlympia, WashingtonWOutline of Washington territorial evolutionWPacific Fur CompanyWPatos IslandWRobert Gray's Columbia River expeditionWSpanish expeditions to the Pacific NorthwestWThird voyage of James CookWTshimakain MissionWRobert Gray (sea captain)WWhitman massacreWMarcus WhitmanWNarcissa WhitmanWWindust Caves Archaeological District