150 FLORIDA GEOLOGICAL SURVEY—I5TH ANNUAL REPORT 
Fig. 19. —Plant and drying sheds, Dolores Brick Co., Molino, Escambia County. 
Fig. 20. —Drying tunnels. Macmillan Brick Company, Molino, Escambia 
County. Waste heat from kilns being fired is used to dry green brick. 
Fig. 21.—A battery of circular down-draft kilns. Dolores Brick Co., 
Molino, Escambia County. 
