Forty-five years before the drilling of the famous 1859 Colonel Drake oil well in Pennsylvania, oil was produced and marketed from salt brine wells dug in southeast Ohio. The oil was bottled and sold as a cure-all medicine, Seneca Oil. In 1860, one of the first oil fields in Ohio was discovered approximately 10 miles southeast of these wells. The 1885 discovery of the giant Lima-Indiana oil field set off the oil boom of northwest Ohio, a period of land speculation and rapid oil field development that lasted over 20 years and propelled Ohio into the leading oil-producing state from 1895 to...