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32 Cards in this Set
- Front
- Back
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Air lots
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A esignated airspace over a piece of land. An airlot, like surface property may be transferred
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Base lines
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the main imaginary line running east and west and crossing a principal meridan at a dfinaite point, used by surveyors for a reference in locating and describing land under the rectangular (govt.) survey system of legal description
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Benchmarks
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A permanent reference mark or point established for use by surveyors in measuring differences in elevation
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Correction lines
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Provisions in the rectangular (gov't survey) system made to compensate for the curvature in the earths surface. Every forth township line (at 24 mi. intervals) is used as a correction line on which the intervals between north and south range lines are remeasured and corrected to a full six miles
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Datum
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A horizontal plane from which heights and depths are measured
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Frctional Sections
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A parcel of landless than 160 acres, usually found at the edge of a rectangular survey.
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Government check
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The 24-mile-square parcels composed of 16 townships in the rectangular (govt.) survey system of legal description.
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Government lots
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Fractional sections in the rectangular (govt.) survey system that are less than one quarter-section in area.
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Legal description
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A description of a specific parcel of real estate complete enough for an independent surveyor to locate and identify it.
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Lot and block (recorded plat) system
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A method of describing real property that identifies a parcel of land by reference to lot and block numbers within a subdivision, as specified on a arecorded sub-division plat
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Metes-and-bounds description
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A legal description of a parcel of land tha begins at a well marked point and follows the boundries using directions and distances around the tract, back to the place of beginning.
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Monuments
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A fixed natural or artificial object used to establish real estate boundries for a metes-and-bounds description
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Plat map
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A map of a town, section or subivision indicating the location and bounries of individual properties
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Point of beginning (POB)
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In a metes-and-bounds legal description The starting point of the survey, situated in one corner of the parcel; all metes and bounds descriptions of the parcel back to the point of beginning
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Principal Meridians
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The main imaginary line running north and south and crossing a baseline at a definite point, used by surveyors for reference in locating and describing land under the rectangular (govt) survey system of legal description.
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ranges
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A strip of land six miles wide extending north and south and numbered east and west according to its distance from the principal meridian from the principal meridian in the rectangular (government survey system of legal description)
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Rectangular (government) survey system
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A system established in 1785 by the federal government, providing for surveying and describing land by reference to principal meridians and base lines.
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Sections
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A portion of township under the rectangular (government) survey system. A township is divided into 36 sectios, numbered 1-36. A section is a square with mile long sides and an area of one square mile, or 640 acres
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Townships
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The principal unit of the rectangular (government) survey system. A township is a square w/six mile sides and an area of 36 square miles.
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Township tiers
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Township lines that form strips of land and are designated by consecutive numbers north or south of baseline.
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Township lines
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All the lines in a rectangular survey system that runs east and west parallel to the base line six miles apart.
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Unit of measure Rod
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16.5 ft. 5.50 yds.
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Mile
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5,280 ft. 1,760 yds 320 rods
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Cubic yard
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27 cubic feet
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Square Yard
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9 sq. ft.
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Sq. Foot
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144 sq. inches
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Chain
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66 ft. or 4 rods or 100 links
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Sq. Mile
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640 acres 5,280 X 5,280=27,878,400 divided by 43,560
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Acre
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43,560 sq ft.
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1/4 miles
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160 acres
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Correction Lines
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Every 4th township line is a correction line. Guide meriian's run north/south at 24 mile intervals from principal meridan. Adjustments are made on the north west bounries of a township section 1-7, 18, 19 30, 31
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Sections are made up as follows
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Section 16 is dedicated as school section 36 sections each section is 1 mile north south, 1 mile east west, One mile square = each section one mile square or 640 acres
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