Until the mid-1990s, in the interests of security, British Ordnance Survey maps omitted the details of all ROF sites; and showed the sites as they existed before the ROF's construction, although it was sometimes possible to identify the site boundaries.
32.
Fishing at the reservoir stopped in 1998 and many of the other activities have been curtailed since 2004 due to the security fence that was constructed around the banks of the reservoir and ( less securely ) to the site boundary.
33.
An increase in air traffic led to clearing of a site directly east of town site boundaries starting in 1929; this became Merrill Field, which served as Anchorage's primary airport during the 1930s and 1940s, until Anchorage International Airport replaced it in 1951.
34.
The development site boundary would be 200 to 300 metres away from Sham Wan, a nesting ground for the endangered green turtle in the south of Lamma which is listed by the government as a " site of special scientific interest " with restricted entry.
