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The first [[oil]] well in the [[United States of America|United States]] was drilled in '''Titusville''', [[Pennsylvania]], in 1859.<ref>San Joaquin Geological Society, ''The History of the Oil Industry (with emphasis on California and Kern County)'' [http://www.sjgs.com/history.html]</ref>  It began yielding 25 barrels a day; by the end of 1859 the flow had slowed to 10 barrels a day.   

The first [[oil]] well in the United States was drilled in the village of '''Titusville''', in northwestern [[Pennsylvania]], in 1859.<ref>San Joaquin Geological Society, ''The History of the Oil Industry (with emphasis on California and Kern County)'' [http://www.sjgs.com/history.html]</ref>  It began yielding 25 barrels a day; by the end of 1859 the flow had slowed to 10 barrels a day.   

==References==

==References==

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