MashableImage: Library of CongressMashableOn Oct. 3, 1930, Columbus Marion Joiner, an exploratory oil driller or “wildcatter,” discovered what would turn out to be one of the largest oil fields in the United States. The East Texas Oil Field, stretching som …

Mashable1939: Texas roughnecksMashableOn Oct. 3, 1930, Columbus Marion Joiner, an exploratory oil driller or “wildcatter,” discovered what would turn out to be one of the largest oil fields in the United States. The East Texas Oil Field, stretching some 45 …