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### 41 Cards in this Set

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 Name 3 methods used to describe property: 1)metes-and-bounds 2)rectangular survey 3)lot-and-block square mile=___________ acres 640 __________ feet in a mile 5280 For the purpose of the US Geological Survey,datum is defined as the mean sea level at __________________. New York Habor The general datum plane used by IL surveyors is _____________ . the USGS datum A spot survey shows ___________________. the location,size, and shape of buildings on the lot A sketch survey shows ___________________. the location and dimensions of the parcel of land In describing a lot from a recorded subdivision plat,what 3 idntifiers are used? 1)lot-and-block number 2)name or number of subdivision plat 3)name on county and state What 3 things must a township description included? 1)designation of the township tier in which the township is located 2)designation of the range strip 3)name or number of the prime meridan for that area What is the IL Plat Act? When an owner divides a parcel of land into 2 or more parts,any of which is less than 5 acres,the parts must be surveyed and a plat of subdivision recorded What princple meridians are used in desribing land in IL? Which one is not in IL? 1) 2nd(not in IL;IN) 2)3rd 3)4th square yard=________square feet 9 square foot=_______square inches 144 How many sections in a township? 36 Section=__ miles x __ mlies 1 mile x 1 mile(640 acres) cubic yard=__cubic feet 27 _________=square feet per acre 43,560 Define 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 & describing land under the rectangular survey system of legal description Define ranges: a strip of land 6 miles wide,extending north & south and numbered east and west acording to its distance from the principle meridan in the rectangular survey system of a legal desription Define rectangular survey system: system established in 1785 by the federal goverment,provided forsurveyingand describing land by reference to principal merdians and base lines Define sections: a portion of township under the rectangular survey system --a section is a square with mile-long sides and an area of i square mile or 640 acres Define townships: the principal unit of a rectangular system -- a township is a square with 6 mile sides and an area of 36 square miles Define township lines: lines running east & west parallel to the base line and 6 miles apart in a rectangular survey system in a legal description Define township squares: the basic unit of the rectangular survey system; where the horizontal township lines and the vertical range lines intersect,they form squares Define township tiers: a strip of land 6 miles wide, extending east & west and numbered north & south according to its distance from the base line in the rectangular survey system of a legal description Define goverment survey system: rectanglar survey system Define legal desription: a desription of a specific parcel of real estate complete enough for an independent surveyor to locate and identify it Define lot-and-block system: a method of desribing 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 Define metes-and-bounds method: a legal description of a pacel of land that begins at a well marked point and follows the boundaries, using directions and distances around the tract, back to the point of beginning Define monuments: a fixed or artifcial object used to establish real estate boundaries for a metes-and-bounds description Define plat map: a map of a town,section, or subdivision indicating the location & boundaries of individual properties Define point of beginning (POB): in a metes-and-bounds legal description,the starting point of the survey,situated in one corner of the parcel Define correction line: provisions i the rectangular survey system made to compensate for the curvature of the earth's surface--every 4th township line is used as a corrrection line on which the intervals between the north & south rane lines are remeasured and corrected to a full 6 miles Define datum: a horizontal plane from which heights and depth are measured Define fractional sections: a parcel of land less than 160 acres,usually found at the edge of a rectangular survey Define goverment check: the 24 mile square parcels composed of 16 townships in the rectangular survey system of legal description Define govermet lots: fractional sections in the rectangular survey system that are less than one quarter sectionin area Define air lots: a designated airspace over a piece of land Define base lines: the main imaginary line running east & west crossing a principal meridan ata definite point,used by surveyors for reference in locating and describing land under the rectangular survey system of a legal description Define bench marks: a permanent reference mark or point established for use by surveyors in measuring differences in elevation What number section is set aside for schools in a township? 16