We've been to the Petrolia Discovery several times and always enjoy our visits. Everything is so interesting and the history of the oil industry in Ontario and around the world, fascinating. In 1857, James Miller Williams of Hamilton began distilling some of the "tar" lying around Oil Springs (located a few kilometers south from Petrolia), after buying the property rights from Charles Nelson Tripp . In July or August 1858, he struck an oil deposit in Oil Springs while digging a shallow well, sparking the oil drilling industry. In 2008, the 150th anniversary of the discovery, Canada Post issued a stamp commemorating this first commercial oil well, featuring portraits of Charles Tripp and Williams. However, these early wells resulted in a large amount of wastage from gushers , estimated at 5 million barrels (790,000 m 3 ) of oil in 1862 alone. Petrolia got its start in 1866 when a major gas well was fo...