Oil Industry
The oil industry in Arkansas, which includes exploration and the production, refinement, and distribution of petroleum-based products, exploded onto the state’s economic scene in the early 1920s, and once-local production expanded into an international business. From 1920 to 2003, more than 1.8 billion barrels of oil were produced in Arkansas. Ten counties in Arkansas produce oil, all in the southern region of the state: Ashley, Bradley, Calhoun, Columbia, Hempstead, Lafayette, Miller, Nevada, Ouachita, and Union. Historically, most of this production has been in Union, Lafayette, Columbia, and Ouachita counties. These four counties have been responsible for more than eighty-five percent of the oil produced in the state. Evidence of oil in the state existed well before the oil boom of …
Ozark Mine Plant 
