3. There is hereby designated as an environmentally sensitive area the area of land in the Lake District in the County of Cumbria which is shown coloured yellow on the maps contained in the volume of maps marked “volume of maps of the Lake District environmentally sensitive area” dated 4th January 1993, signed and sealed by the Minister and deposited at the offices of the Ministry of Agriculture, Fisheries and Food, 17 Smith Square, London SW1P 3HX.