Promotional brochure used to advertise Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to control dust on unpaved roads and parking lots. The brochure details the nuisance of dust arising from the use of motor cars on unpaved roads and extols the benefits of using Dowflake as a surface treatment to lock in moisture and reduce the maintenance and upkeep required of unpaved roads and drives. The brochure includes instructions for the application of Dowflake, testimonials from consumers, and tips for lobbying public officials to apply Dowflake in your community.