Survey township


(Redirected from Homestead_(unit))

A survey township, sometimes called a Congressional township or just township, as used by the United States Public Land Survey System, is a nominally-square area of land that is nominally six U.S. survey miles (about 9.66 km) on a side. Each 36-square-mile (about 93.2 km2) township is divided into 36 sections of one square mile (640 acres, roughly 2.6 km2) each.[1] The sections can be further subdivided for sale.

The townships are referenced by a numbering system that locates the township in relation to a principal meridian (north-south) and a base line (east-west). For example, Township 2 North, Range 4 East is the 4th township east of the principal meridian and the 2nd township north of the base line. Township (exterior) lines were originally surveyed and platted by the US General Land Office using contracted private survey crews. Later survey crews subdivided the townships into section (interior) lines. Virtually all lands covered by this system were sold according to those boundaries and are marked on the U.S. Geological Survey topographic maps.

Contents

History


Prior to standardization, some of the Ohio Lands (the United States Military District, the Firelands and the Connecticut Western Reserve) were surveyed into townships of 5 miles (8.0 km) on each side. These are often known as Congressional Townships.[2][3]

Sections are divided into quarter-sections of 160 acres (65 ha) each and quarter-quarter sections of 40 acres (16 ha) each. In the Homestead Act of 1862, one quarter-section of land was the amount allocated to each settler. Stemming from that are the idiomatic expressions, "the lower 40", the 40 acres on a settler's land that is lowest in elevation, in the direction towards which water drains toward a stream, and the "back forty", the portion farthest from the settler's dwelling.

Survey township vs. civil township


Survey townships are distinct from civil townships. A survey township is used to establish boundaries for land ownership, while a civil township is a form of local government. In states with civil townships, the two types of townships often coincide. County lines, especially in western states, usually follow survey township lines, leading to the large number of rectangular counties in the Midwest, which are agglomerations of survey townships.[4]

In western Canada, the Dominion Land Survey adopted a similar format for survey townships, which do not form administrative units. These townships also have the area of 36 square miles (six miles by six miles).

See also


References


  1. ^ Lizette Twain. Understanding Townships , Bureau of Land Management, February 11, 2015
  2. ^ White, C. Albert. A History of the Rectangular Survey System. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Land Management, 1983
  3. ^ "Cadastral History" . Archived from the original on 2014-11-13. Retrieved 2014-11-19.
  4. ^ Geological Survey Circular . The Survey. 1933. p. 24 .

Further reading









Categories: Surveying of the United States | Political divisions of the United States | Surveying | Townships of the United States | Units of area




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