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  2. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    The first multi-sheet topographic map series of an entire country, the Carte géométrique de la France, was completed in 1789. [9] The Great Trigonometric Survey of India, started by the East India Company in 1802, then taken over by the British Raj after 1857 was notable as a successful effort on a larger scale and for accurately determining ...

  3. Benchmark (surveying) - Wikipedia

    en.wikipedia.org/wiki/Benchmark_(surveying)

    An Ordnance Survey cut mark in the UK Occasionally a non-vertical face, and a slightly different mark, was used. The term benchmark, bench mark, or survey benchmark originates from the chiseled horizontal marks that surveyors made in stone structures, into which an angle iron could be placed to form a "bench" for a leveling rod, thus ensuring that a leveling rod could be accurately ...

  4. Quadrangle (geography) - Wikipedia

    en.wikipedia.org/wiki/Quadrangle_(geography)

    New York (Essex County) Mt. Marcy: an 1892 USGS quadrangle map (or topographic sheet) of the Mount Marcy area of the Adirondacks in New York State from the first decades of the United States Geological Survey. A "quadrangle" is a topographic map produced by the United States Geological Survey (USGS) covering the United States.

  5. Geography Markup Language - Wikipedia

    en.wikipedia.org/wiki/Geography_Markup_Language

    The Geography Markup Language (GML) is an XML encoding in compliance with ISO 19118 for the transport and storage of geographic information modelled according to the conceptual modelling framework used in the ISO 19100-series and including both the spatial and nonspatial properties of geographic features.

  6. GCSE - Wikipedia

    en.wikipedia.org/wiki/GCSE

    Since 2017 in England (and in Wales and Northern Ireland on qualifications from the English-based awarding bodies) most GCSEs have been assessed on a nine-point scale, using numbers from 9 to 1, and a U (unclassified) grade for achievement below the minimum pass mark. Under this system 9 is the highest grade and is set above the former A* ...

  7. Topography - Wikipedia

    en.wikipedia.org/wiki/Topography

    The term topography originated in ancient Greece and continued in ancient Rome, as the detailed description of a place.The word comes from the Greek τόπος (topos, "place") and -γραφία (-graphia, "writing"). [3]

  8. Simple Features - Wikipedia

    en.wikipedia.org/wiki/Simple_Features

    Simple Features (officially Simple Feature Access) is a set of standards that specify a common storage and access model of geographic features made of mostly two-dimensional geometries (point, line, polygon, multi-point, multi-line, etc.) used by geographic databases and geographic information systems.

  9. List of mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_mnemonics

    5 Geography. 6 Geology. 7 History. 8 Languages. Toggle Languages subsection. ... ("returning to") an IALA region B port to keep red markers to the starboard of the ...