Main Building, U.S. Bureau of Mines
The Main Building of the U.S. Bureau of Mines in the Squirrel Hill North neighborhood of Pittsburgh, Pennsylvania is a building constructed from 1915 and dedicated on September 29, 1919. Since the 1960s it was acquired and has been part of the campus of Carnegie Mellon University and is now known as Hamburg Hall and the headquarters of the Heinz College. It was listed on the National Register of Historic Places in 1974.
