In 1961, British Petroleum (BP) constructed a jetty below Fort Popton (nprn 300447) and a pumping installation, known as Angle Bay Terminal, within and close to the fort in order to pump oil to Llandarcy Refinery, Swansea (nprn 91695). The pumping station closed in 1985.
B.A.Malaws, RCAHMW, 14 April 2010.