Promotional booklet for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to control dust on unpaved roads and parking lots, as well as a roadway deicer. Written in the style of a children's storybook, the booklet follows Peter Pry and Peggy Prim as they encounter the Sand Man in Dusty Town, where Dust Imps wreak havoc on unpaved roads. Peter and Peggy subsequently watch as the Dust Imps are chased away by the application of Dowflake, which adds moisture to make the roads smooth and clean.