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  2. International Boundary Marker - Wikipedia

    en.wikipedia.org/wiki/International_Boundary_Marker

    The property of the 3 acres (1.2 ha) area is shared between DeSoto Parish, Louisiana (1 acre) and Panola County, Texas (2 acres), with the marker itself being a direct property of U.S. Government [3] The marker was added to the National Register of Historic Places on April 13, 1977. [ 1 ]

  3. Ireland, Texas - Wikipedia

    en.wikipedia.org/wiki/Ireland,_Texas

    Ireland is an unincorporated community in Coryell County, in the U.S. state of Texas. [1] According to the Handbook of Texas , the community had a population of 60 in 2000. It is located within the Killeen-Temple-Fort Hood metropolitan area .

  4. Ordnance Survey Ireland - Wikipedia

    en.wikipedia.org/wiki/Ordnance_Survey_Ireland

    Mountjoy House, the headquarters of Ordnance Survey Ireland, in the Phoenix Park, Dublin. Thomas Colby, the long-serving Director-General of the Ordnance Survey in Great Britain, was the first to suggest that the Ordnance Survey be used to map Ireland. A highly detailed survey of the whole of Ireland would be extremely useful for the British ...

  5. Texas land survey system - Wikipedia

    en.wikipedia.org/wiki/Texas_land_survey_system

    The Texas Land Survey System is often measured in Spanish Customary Units. The most important of these is the vara, which, while ambiguous in the past, was legally established to be exactly 33 + 1 ⁄ 3 inches (846.67 mm) long in June 1919. [2] The subdivision levels in Texas are as follows: [3]

  6. Irish grid reference system - Wikipedia

    en.wikipedia.org/wiki/Irish_grid_reference_system

    In general, neither Ireland nor Great Britain uses latitude or longitude in describing internal geographic locations. Instead grid reference systems are used for mapping.. The national grid referencing system was devised by the Ordnance Survey, and is heavily used in their survey data, and in maps (whether published by the Ordnance Survey of Ireland, the Ordnance Survey of Northern Ireland or ...

  7. Cartography of Dublin - Wikipedia

    en.wikipedia.org/wiki/Cartography_of_Dublin

    Leigh's new pocket road-book of Ireland: Published by Leigh & Son 1836 Dublin Street Directory Map with engravings of the principal buildings in Dublin Published by Baldwin & Cradock of SDUK: Published under the superintendence of the Society of the Diffusion of Useful Knowledge. Colour map. Google Map interface; 1837 Dublin Environs Drawn by B ...

  8. Irish Transverse Mercator - Wikipedia

    en.wikipedia.org/wiki/Irish_Transverse_Mercator

    Irish Transverse Mercator (ITM) is the geographic coordinate system for Ireland. It was implemented jointly by the Ordnance Survey Ireland (OSi) and the Ordnance Survey of Northern Ireland (OSNI) in 2001. The name is derived from the Transverse Mercator projection it uses and the fact that it is optimised for the island of Ireland.

  9. History of Texas - Wikipedia

    en.wikipedia.org/wiki/History_of_Texas

    This map is the earliest recorded document of Texas history. [ 18 ] Between 1528 and 1535, four survivors of the Narváez expedition , including Álvar Núñez Cabeza de Vaca and Estevanico , spent six and a half years in Texas as slaves and traders among various native groups.