The present permanent centres of population include Grytviken, King Edward Point and Bird Island. King Edward Point is the port of entry, and residence of the British Magistrate and harbour, customs, immigration, fisheries, and postal authorities; it is commonly referred to as 'Grytviken' in association with the derelict whaling station situated just 800 m away. The government of the islands maintains field huts at Sörling Valley, Dartmouth Point, Maiviken, St. Andrews Bay, Corral Bay, Carlita Bay, Jason Harbour, Ocean Harbour, and Lyell Glacier. Since the 1990s, the islands have become a popular tourist destination, with cruise ships visiting on a fairly regular basis. To protect the territory's unique environment, on 23 February 2012 its government created the South Georgia and the South Sandwich Islands Marine Protection Area, one of the world's largest marine reserves, comprising . Old maps L'Isle, Guillaume de & Henry A. Chatelain. (1705/19). Carte du Paraguai, du Chili, du Detroit de Magellan. Paris. (Map featuring Roché Island.) Seale, Richard W. (ca. 1745). A Map of South America. With all the European Settlements & whatever else is remarkable from the latest & best observations. London. (Map featuring Roché Island.) Jefferys, Thomas. (1768). South America. London. (Map featuring Roché Island.) Joseph Gilbert. (1775). Isle of Georgia with Clerke's Isles and Pickersgill's Isle. Plan with panorama. In: Charts, and views of headlands, taken during Captain Cook's Second Voyage, 1772–1774. British Library. Cook, James. (1777). Chart of the Discoveries made in the South Atlantic Ocean, in His Majestys Ship Resolution, under the Command of Captain Cook, in January 1775, W. Strahan and T. Cadel, London. A. Arrowsmith. (1794). Map of the World on a Globular Projection, Exhibiting Particularly the Nautical Researches of Capn. James Cook, F.R.S. with all the Recent Discoveries to the Present Time. London. See also Anthony de la Roché History of the Falkland Islands Notes References Capt. Francisco de Seixas y Lovera, Descripcion geographica, y derrotero de la region austral Magallanica. Que se dirige al Rey nuestro señor, gran monarca de España, y sus dominios en Europa, Emperador del Nuevo Mundo Americano, y Rey de los reynos de la Filipinas y Malucas, Madrid, Antonio de Zafra, 1690. (Narrates the discovery of South Georgia by the Englishman Anthony de la Roché in April 1675 (Capítulo IIII Título XIX page 27 or page 99 of pdf); Relevant fragment.) William Ambrosia Cowley, Cowley's Voyage Round the Globe, in Collection of Original