Ch. 6 Flashcards
Air Lots
Designated airspace over a piece of land. An air lot, like surface property, may be transferred.
Base Lines
The main imaginary line running east and west and crossing a principal meridian at a definite point; used by surveyors for reference in locating and describing land under the rectangular (government) survey system of legal description.
Benchmarks
Permanent reference marks or points established for use by surveyors in measuring differences in elevation..
Datum
A horizontal plane from which heights and depths are measured.
Legal Description
A description of a specific parcel of real estate complete enough for an independent surveyor to locate and identify it.
Lot-and-Block (recorded plat) Method
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 recorded subdivision plat.
Metes-and-Bounds Method
A method used to describe a parcel of land that begins at a well-marked point and follows the property’s boundaries, using directions and distances around the tract, back to the place of beginning.
Monument
A fixed natural or artificial object used to establish real estate boundaries for a metes-and-bounds description.
Plat Map
A map of a town, section, or subdivision indicating the location and boundaries of individual properties.
Point of Beginning (POB)
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 must follow the boundaries of the parcel back to the point of beginning.
Principal Meridian
The main imaginary line running north and south and crossing a base line at a definite point; used by surveyors for reference in locating and describing land under the rectangular (government) survey system of legal description.
Range
A strip of land six miles wide, extending north and south and numbered east and west according to its distance from the principal meridian in the rectangular (government) survey system of legal description.
Rectangular (government survey system)
A system established in 1785 by the federal government, providing for surveying and describing land by reference to principal meridians and base lines.
Section
A portion of a township under the rectangular (government) survey system. A township is divided into 36 sections, numbered 1 through 36. A section is a square with mile-long sides and an area of one square mile, or 640 acres.
Survey
The process by which boundaries are measured and land areas are determined; the on-site measurement of lot lines, dimensions, and position of a house on a lot, including the determination of any existing encroachments or easements.
