Oil Creek State Park
... that Oil Creek State Park in Pennsylvania is the site of the world's first commercial oil well?
... that <b id="mwpg"><a href="./Oil_Creek_State_Park" id="mwpw" rel="mw:WikiLink" title="Oil Creek State Park">Oil Creek State Park</a></b> in <a href="./Pennsylvania" id="mwqA" rel="mw:WikiLink" title="Pennsylvania">Pennsylvania</a> is the site of the world's first commercial <a href="./Oil_well" id="mwqQ" rel="mw:WikiLink" title="Oil well">oil well</a>?