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.