Revised date Chapter 9 Slide 1 Copyright – David A. McGowan All rights reserved Chapter 9 Legal Descriptions Define precise location Provide sufficient information to calculate size

Revised date Chapter 9 Slide 2 Copyright – David A. McGowan All rights reserved METHODS (Page 154) Metes and Bounds Rectangular Survey Lot and Block

Revised date Chapter 9 Slide 3 Copyright – David A. McGowan All rights reserved LOT AND BLOCK Use of lot and block numbers with references to a subdivider’s plat of survey

Revised date Chapter 9 Slide 4 Copyright – David A. McGowan All rights reserved LOT & BLOCK Plat of Survey Grennan Heights Subdivision Niles, Illinois 478 Homesites 7.2 acre public park 80 total acres

Revised date Chapter 9 Slide 5 Copyright – David A. McGowan All rights reserved LOT & BLOCK Lot Block Plat of Survey 478

Revised date Chapter 9 Slide 6 Copyright – David A. McGowan All rights reserved LOT & BLOCK Lot Block Plat of Survey Lot 78, Block 417, of the Grennan Heights Subdivision E½ of the SE¼ of Section 24, Township 41 North, Range 12 East of the 3 rd Principle Meridian, Cook County, Illinois.

Revised date Chapter 9 Slide 7 Copyright – David A. McGowan All rights reserved PIN Property Identification Number Map Section Block Parcel Condo Unit Connects 2 parcels to the same PIN

Revised date Chapter 9 Slide 8 Copyright – David A. McGowan All rights reserved METES & BOUNDS (Page 154) Main Street Palmer Street A benchmark is a point whose position is known to a high degree of accuracy and is normally marked in some way. The marker is often a metal disk made for this purpose, but it can also be a church spire, a radio tower, a mark chiseled into stone, or a metal rod driven into the ground. Benchmark

Revised date Chapter 9 Slide 9 Copyright – David A. McGowan All rights reserved BENCHMARK ft above sea level

Revised date Chapter 9 Slide 10 Copyright – David A. McGowan All rights reserved LOCAL BENCHMARKS (Oak Brook, IL) PIDDistDesignationType AF92781mi NWEWT IL 83Ametal rod ME mi E29 C PROVISO TWPbolt ME mi EBEMIStriangulation station disk Details for Benchmark: AF9278 N 41° W 087° Altitude: 700 ft

Revised date Chapter 9 Slide 11 Copyright – David A. McGowan All rights reserved DATUM (166) A point, line or surface from which elevations are measured or indicated Condominium laws require that a surveyor prepare a plat map that shows the elevations of floor and ceiling surfaces and the vertical boundaries of each unit with reference to an official datum.

Revised date Chapter 9 Slide 12 Copyright – David A. McGowan All rights reserved METES & BOUNDS (Page 154) 125’ 375’ Main Street Palmer Street Beginning at a point 700 ft east of Benchmark 12345, Then east 125 ft, Then south 375 ft Then west 125 ft Then north to the point of beginning Benchmark 700’ A 125 ft X 375 ft 46,875 sq ft

Revised date Chapter 9 Slide 13 Copyright – David A. McGowan All rights reserved METES AND BOUNDS DIRECTION 360 º N 0 º S 180 º E 90 º 270 º W 45 º 301 º 223 º º

Revised date Chapter 9 Slide 14 Copyright – David A. McGowan All rights reserved RECTANGULAR SURVEY Established in 1785 Based on an artificially placed group of lines running throughout the country.

Revised date Chapter 9 Slide 15 Copyright – David A. McGowan All rights reserved RECTANGULAR SURVEY Principal meridians Base lines Township Row Range Columns Township squares Sections Correction lines

Revised date Chapter 9 Slide 16 Copyright – David A. McGowan All rights reserved RECTANGULAR SURVEY (158) 6 mile Range Lines

Revised date Chapter 9 Slide 17 Copyright – David A. McGowan All rights reserved RECTANGULAR SURVEY (158) Township Lines 6 mile

Revised date Chapter 9 Slide 18 Copyright – David A. McGowan All rights reserved RECTANGULAR SURVEY (158) T3N 36 sq mi R5E

Revised date Chapter 9 Slide 19 Copyright – David A. McGowan All rights reserved CORRECTION LINES

Revised date Chapter 9 Slide 20 Copyright – David A. McGowan All rights reserved SECTIONS

Revised date Chapter 9 Slide 21 Copyright – David A. McGowan All rights reserved SCHOOL SECTION Midway Airport The Chicago Board of Education continued to own the Midway Airport section and rent it to the City of Chicago for airport operations until 1982, when an education funding crisis forced the Board of Education to sell the land to the City of Chicago for $16 million.[12][12]

Revised date Chapter 9 Slide 22 Copyright – David A. McGowan All rights reserved ILLINOIS Kankakee Centralia Beardstown 2 nd Principle Meridian governs land just south and east of Kankakee along the eastern board of Illinois 3 rd Principle Meridian governs land only in Illinois down the center of the state and crosses its baseline at Centralia 4 th Principle Meridian governs land west of the Illinois River, it begins and crosses the baseline at Beardstown