Mahe 1971 Mahe 1971- Mahe IslandMarco Astro Marco Astro- Salvage IslandMassawa Massawa- Eritrea (Ethiopia)Merchich Merchich- MoroccoMidway Ast ‘61 Midway Astro ‘61- MidwayMinna Minna- NigeriaNAD27 Alaska North American 1927- AlaskaNAD27 Bahamas North American 1927-Bahamas (excluding SanSalvador Island)NAD27 Canada North American 1927-Canada and NewfoundlandNAD27 Canal Zone North Am. 1927- Canal ZoneNAD27 Caribbn North American 1927-Caribbean (Barbados, CaicosIslands, Cuba, Dom. Rep.,Grand Cayman, Jamaica,Leeward and Turks Islands)NAD27 Central North American 1927-Central America (Belize, CostaRica, El Salvador, Guatemala,Honduras, Nicaragua)NAD27 CONUS North Am. 1927- Mean ValueNAD27 Cuba North American 1927- CubaNAD27 Grnland North American 1927-Greenland (Hayes Peninsula)NAD27 Mexico N. American 1927- MexicoNAD27 San Sal North American 1927- SanSalvador IslandNAD83 North American 1983- Alaska,Canada, Central America,CONUS, MexicoNhrwn Masirah Nahrwn- Masirah Island(Oman)Nhrwn Saudi A Nahrwn- Saudi ArabiaNhrwn United A Nahrwn- United ArabEmiratesNaparima BWI Naparima BWI- Trinidad andTobagoObsrvtorio ‘66 Observatorio 1966- Corvoand Flores Islands (Azores)Old Egyptian Old Egyptian- EgyptOld Hawaiian Old Hawaiian- Mean ValueOman Oman- OmanOrd Srvy GB Old Survey Grt Britn-England, Isle of Man,Scotland, Shetland Isl., WalesPico De Las Nv Canary IslandsPotsdam Potsdam-GermanyPtcairn Ast ‘67 Pitcairn Astro ‘67- Pitcairn IsProv S Am ‘56 Prov So Amricn ‘56- Bolivia,Chile,Colombia, Ecuador,Guyana, Peru, VenezuelaProv S Chln ‘63 Prov So Chilean ‘63- S. ChilePuerto Rico Puerto Rico & Virgin IslandsQatar National Qatar National- QatarQornoq Qornoq- South GreenlandReunion Reunion- Mascarene IslandRome 1940 Rome 1940- Sardinia IslandRT 90 SwedenSanto (Dos) Santo (Dos)- Espirito SantoIslandSao Braz Sao Braz- Sao Miguel, SantaMaria Islands (Azores)Sapper Hill ‘43 Sapper Hill 1943- EastFalkland IslandSchwarzeck Schwarzeck- NamibiaSth Amrcn ‘69 South American ‘69-Argentina, Bolivia, Brazil,Chile, Colombia, Ecuador,Guyana, Paraguay, Peru,Venezuela, Trinidad andTobagoSouth Asia South Asia- SingaporeSE Base Southeast Base- Porto Santoand Madiera IslandsSW Base Southwest Base- Faial,Graciosa, Pico, Sao Jorge andTerceira Islands (Azores)Timbalai 1948 Timbalai 1948- Brunei and E.Malaysia (Sarawak and Sabah)Tokyo Tokyo- Japan, Korea, OkinawaTristan Ast ‘68 Tristan Astro 1968- Tristan daCunhaViti Levu 1916 Viti Levu 1916- Viti Levu/ FijiIslandsWake-Eniwetok Wake-Eniwetok- Marshall Isl.WGS 72 World Geodetic System 1972WGS 84 World Geodetic System1984Zanderij Zanderij- SurinamAPPENDIX DMap Datums57