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  2. Boundary marker - Wikipedia

    en.wikipedia.org/wiki/Boundary_marker

    A boundary marker, border marker, boundary stone, or border stone is a robust physical marker that identifies the start of a land boundary or the change in a boundary, especially a change in direction of a boundary. [1] There are several other types of named border markers, known as boundary trees, [2] [3] pillars, monuments, obelisks, and ...

  3. Cairn - Wikipedia

    en.wikipedia.org/wiki/Cairn

    The word cairn derives from Scots cairn (with the same meaning), in turn from Scottish Gaelic càrn, which is essentially the same as the corresponding words in other native Celtic languages of Britain, Ireland and Brittany, including Welsh carn (and carnedd), Breton karn, Irish carn, and Cornish karn or carn. [2]

  4. Inuksuk - Wikipedia

    en.wikipedia.org/wiki/Inuksuk

    An inuksuk at the Foxe Peninsula, Nunavut, Canada. An inuksuk (plural inuksuit) [1] or inukshuk [2] (from the Inuktitut: ᐃᓄᒃᓱᒃ, plural ᐃᓄᒃᓱᐃᑦ; alternatively inukhuk in Inuinnaqtun, [3] iñuksuk in Iñupiaq, inussuk in Greenlandic) is a type of stone landmark or cairn built by, and for the use of, Inuit, Iñupiat, Kalaallit, Yupik, and other peoples of the Arctic region of ...

  5. 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 ...

  6. Survey marker - Wikipedia

    en.wikipedia.org/wiki/Survey_marker

    Survey markers, also called survey marks, survey monuments, or geodetic marks, are objects placed to mark key survey points on the Earth's surface. They are used in geodetic and land surveying . A benchmark is a type of survey marker that indicates elevation ( vertical position ).

  7. Glossary of geology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geology

    Also called Indianite. A mineral from the lime-rich end of the plagioclase group of minerals. Anorthites are usually silicates of calcium and aluminium occurring in some basic igneous rocks, typically those produced by the contact metamorphism of impure calcareous sediments. anticline An arched fold in which the layers usually dip away from the fold axis. Contrast syncline. aphanic Having the ...

  8. Gravestone - Wikipedia

    en.wikipedia.org/wiki/Gravestone

    Originally, a tombstone was the stone lid of a stone coffin, or the coffin itself, and a gravestone was the stone slab (or ledger stone) that was laid flat over a grave. Now, all three terms ("stele", "tombstone" or "gravestone") are also used for markers set (usually upright) at the head of the grave.

  9. Cadastre - Wikipedia

    en.wikipedia.org/wiki/Cadastre

    One such cadastre was done in AD 77 in Campania, a surviving stone marker of the survey reads "The Emperor Vespasian, in the eighth year of his tribunician power, so as to restore the state lands which the Emperor Augustus had given to the soldiers of Legion II Gallica, but which for some years had been occupied by private individuals, ordered ...