Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. McKees Rocks, also known as "The Rocks", is a borough in Allegheny County, Pennsylvania, along the south bank of the Ohio River. In the past, it was known for its extensive iron and steel interests. Also, there were large railroad machine shops, and manufacturers of locomotives, freight and passenger cars, and springs, enamel ware, lumber, wall materials, plaster, nuts and bolts, malleable castings, chains and forgings, tin ware, concrete, and cigars. The Pittsburgh, Allegheny and McKees Rocks Railroad is located in an area known as the 'Bottoms.'