. . "Oil was first discovered" . "history of the petroleum industry in Canada" . . "oil boom" . "History of the petroleum industry in Canada" . "Oil Springs, Ontario" . "first productive oil well" . "major gas transportation projects" . "first commercial oil-well" . "the first place in Canada" . "History of the petroleum industry in Canada" . . . "Canada" . . "important early oil well" . "Turner Valley Oilfield" . . "Royalite" . "Leduc" . "Turner Valley oil field" . "Transmountain Pipeline" . "first commercial oil well" . "major gas transmission pipeline system" . "History_of_the_petroleum_industry_in_Canada" . . "Westcoast and TransCanada natural gas pipelines went into operation" .