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  2. Cadastral surveying - Wikipedia

    en.wikipedia.org/wiki/Cadastral_surveying

    The initial survey operations are concentrated on locating monuments. Property corners may be marked by iron pins, metal survey markers, iron pipes, and other features possibly establishing a line of possession will be located. When the approximate positions for the boundaries of the property have been located, a traverse is run around the ...

  3. Gaps and gores - Wikipedia

    en.wikipedia.org/wiki/Gaps_and_gores

    Gaps and gores are portions of land areas that do not conform to boundaries found in cadastre and other land surveys based upon imprecise measurements and other ambiguities of metes and bounds. A gap, also known as a hiatus , occurs where the descriptions in deeds describing adjacent properties (unintentionally) overlook a space or "gap ...

  4. Surveying - Wikipedia

    en.wikipedia.org/wiki/Surveying

    The ALTA/ACSM Land Title Survey is a standard proposed by the American Land Title Association and the American Congress on Surveying and Mapping. It incorporates elements of the boundary survey, mortgage survey, and topographic survey. Control surveying: Control surveys establish reference points to use as starting positions for future surveys ...

  5. Mason–Dixon line - Wikipedia

    en.wikipedia.org/wiki/Mason–Dixon_line

    Diagram of the survey lines creating the Mason–Dixon line and The Wedge The Province of Maryland, 1632–1776. Mason and Dixon's actual survey line began to the south of Philadelphia, and extended from a benchmark east to the Delaware River and west to what was then the boundary with western Virginia.

  6. Public Land Survey System - Wikipedia

    en.wikipedia.org/wiki/Public_Land_Survey_System

    The metes and bounds system was used to describe a town of a generally rectangular shape, 4 to 6 miles (6.4 to 9.7 km) on a side. Within this boundary, a map or plat was maintained that showed all the individual lots or properties. There are some difficulties with this system: Irregular shapes for properties make for much more complex descriptions.

  7. List of principal and guide meridians and base lines of the ...

    en.wikipedia.org/wiki/List_of_principal_and...

    Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS. The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.

  8. Baseline (surveying) - Wikipedia

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

    In the United States Public Land Survey System, a baseline is specifically the principal east-west line (i.e., a parallel) upon which all rectangular surveys in a defined area are based. The baseline meets its corresponding principal meridian (north-south line) at the point of origin, or initial point, for the land survey.

  9. Initial point - Wikipedia

    en.wikipedia.org/wiki/Initial_point

    In surveying, an initial point is a datum (a specific point on the surface of the earth) that marks the beginning point for a cadastral survey. The initial point establishes a local geographic coordinate system for the surveys that refer to that point. An initial point is defined by the intersection of a principal meridian and a base line.