ユニオン鉄工所
The area around Pier 70 has been used for shipbuilding since the Gold Rush. Since becoming home to the Union Iron Works in 1883, Pier 70 has been occupied by a variety of industrial concerns, including the Pacific Rolling Mills, Risdon Iron &amp; Locomotive, Kneass Boat Works, Union Iron Works, Bethlehem Shipbuilding, and BAE Systems.