Original oil and gas trade magazine vintage ad for THE STEARNS-ROGER MANUFACTURING COMPANY of Denver, CO. Houston, TX., El Paso, TX., Salt Lake City, UT. and Stearns-Roger Engineering Company, LTD., of Calgary, Alberta. How to run a gasoline plant without Water. Take It Up With Stearns-Roger. Pictured is the Adena Plant near Fort Morgan, Colorado, which is producing gasoline despite the total absence of a source of water for plant use. The plant is operated for a combination of companies by the Pure Oil Company. This unique 1955 old Stearns Roger petroleum refinery industry equipment magazine advertisement would look sensational matted and framed. Approximate size 9 x 12 inches.