Mckees Rocks
a borough in Pennsylvania, in Allegheny Co. It is on the Ohio River and on the Pittsburgh and Lake Erie, and the Pittsburgh, Chartiers, and Youghiogheny Railroad. It is an important industrial center, especially in iron and steel. There are also railway shops, manufactures of iron, con- The Ohio crete, railroad cars, etc. The Ohio Valley General Hospital is in the city.
Pop. (1910) 14,702; (1920) 16,713.