The headquarters of Alcoa Inc., on the Allegheny River in Pittsburgh, Pennsylvania,are pictured July 6, 2005.
An Alcoa employee walks past the company's sign at the headquarters of Alcoa Inc., on the Allegheny River in Pittsburgh, Pennsylvania, July 6, 2005.
General view of Three Rivers Stadium, home of the Pittsburgh Pirates and Pittsburgh Steelers, and The Point, the name given to the place where the...匹茲堡海盜隊, 市中心, 1980-1989
Burning of the Imperial Refinery, Allegheny River, Pennsylvania, United States of America, illustration from the magazine The Graphic, volume XIV, no...
George Washington, together with the guide Christopher Gist, crossing the Allegheny River on a raft during Washington's mission to Fort Le Boeuf...
Source of petroleum at Oil Creek on the Allegheny River, Pennsylvania, U.S.A. In 1858, discovered by Edwin Laurentine Drake, aka Colonel Drake, ....公鴨
Police prepare to patrol Allegheny River outside the Pittsburgh Convention Center on September 23, 2009 site of the G-20 summit in Pittsburgh,...
Police patrol speeds down the Allegheny River next to the Pittsburgh Convention Center on September 23, 2009 site of the G-20 summit in Pittsburgh,...
By Virginie Montet The Allegheny River is seen with the David L. Lawrence Convention Center August 24 site of the G20 Pittsburgh Summit 2009 in...
pittsburgh's golden triangle illuminated at dusk with duquesne incline in foreground - pittsburgh, pennsylvania, usa - 阿勒格尼河 個照片及圖片檔莫農加希拉河, 賓夕法尼亞州
Ralph Hysong stands along the Allegheny River in front of FirstEnergy Corporation's Beaver Valley Nuclear Power Station October 27, 2017 in...美國
pittsburgh skyline after sunset as seen from mount washington with fort pitt bridge spanning the monongahela river to the right and fort duquesne bridge spanning the allegheny river to the left and several skyscrapers in pittsburgh, pennsylvania - 阿勒格尼河 個照片及圖片檔
roberto clemente bridge (right) and andy warhol bridge (left) spanning the allegheny river with pittsburgh skyline illuminated at late dusk, pennsylvania, usa - 阿勒格尼河 個照片及圖片檔商務
roberto clemente bridge and andy warhol bridge spanning over the allegheny river with pittsburgh skyline on background, pennsylvania, usa - 阿勒格尼河 個照片及圖片檔賓夕法尼亞州