Colors: Yellow (or Gold):ealth of the province. Blue: Justice, honor and nobility of the people and their sincerity and traditional peaceful ways.
Blue Portion: Cagayan River serving as a dividing line between congressional districts.
Small Islands: Small island on the northern part of the province.
Plant Facsimiles: Main agricultural crops and major source of income of its townspeople: Tobacco, rice, corn and peanuts.