![]() ![]() Imagine trying to draw straight lines on a rubber ball. Half sections have an area of 320 acres.īecause of the curvature of the earth, the lines in the government survey system are only theoretically straight. ![]() ^ Half sections: Half section is a description of any two abutting quarter sections within a section, usually accompanied by a directional notation indicating the half of the section in which the two quarter sections are located. Quarter sections have an area of 160 acres. ^ Quarter sections: The divisions of a section, quarter sections are formed by dividing a section in into fourths that are delineated by their direction from the center of the section (northwest - NW, northeast - NE, southeast - SE, and southwest - SW). ![]() Sections can be divided in several ways, but basically for purposes of the United States Geological Survey (USGS), they are divided in quarter sections. ^ Sections: The divisions of a township, sections are one mile square and have an area of one square mile, or 640 acres. Townships have an area of 36 square miles, more or less, and are further divided into 36 sections. ^ Townships: The divisions of a quadrangle, townships are six miles square and are delineated by township lines. Quadrangles have an area of 576 square miles, more or less, and are divided into 16 townships. ^ Quadrangles: The basic squares of land of the rectangular survey system, quadrangles (also government checks, or just checks) are 24 miles square and are delineated by a principal meridian and a baseline. The following is a list of helpful terms: They are the starting points for describing a property's boundaries. Principal meridians, baselines, and where they intersect (cross each other) are used as the basis for formulating property descriptions. Just in case you were out the same day I was in high school, longitude and latitude are imaginary lines that divide the earth through the north and south poles (longitude) and run parallel with the equator (latitude). The principal meridians and baselines are based respectively on lines of longitude and latitude. The first sets of lines respectively are called principal meridians, which run north and south, and baselines, which run east and west. The rectangular survey system, often referred to as the government survey system, is based on a system of lines that form rectangles and squares throughout the U.S. ![]()
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