1960 J.G.HEINLEIN purchased AVA OIL CO.
Ava Oil Firm Now Under One Owner AVA -r -r J. G. Heinlein has purchased the interest of Ralph Souder in the Ava Oil Co.. the Douglas County Herald reports. The Herald said Heinlein will operate the firm with Leonard "Daugherty as his assistant. The firm was started six years ago by Souder and Heinlein became a partner in 1957. ' ' r The company serves portions of Douglas, Wright and Ozaik counties, according to the Herald.