​​​Original oil and gas vintage magazine ad for CLEVELAND TRENCHER COMPANY.  Digs 55-mile trench for water flooding in 2-mile x 4-mile Shell Oil Company field near Dale, IL.  This rugged 140 dug more than 55 miles of trenches through hills, brush and swamp.  
General offices were located at 20100 St. Clair Avenue, Cleveland, OH.
This 1959 one page old petroleum pipeline tractor industry trade advertisement would display beautifully matted and framed.