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Sec[Section] 1. Be it enacted by the People of the State of Illinois represented in the General Assembly. That the boundary lines of Boone County shall be as follows,— towit, Beginning at the North east corner of Township number forty six North of Range number two East of the third principal meridian, running thence east on the state line to the North east corner of Township number forty six north of range number five East of aforesaid Meridian. Thence south, to the south east corner of Township number forty three, North of range number five East of aforesaid meridian, thence west to the south east corner of township number forty three North of range two East of aforesaid meridian, thence north to the place of beginning, Provided however, That if a majority of the legal voters residing within the limits of Township forty three, forty four, forty five, and forty six, North of range number five east of the third principal meridian, Shall on the first Monday of in August next vote against the above named Townships, forming a part of the County of Boone. Then the line dividing ranges four and five east, shall continue to form the Eastern boundary of Boone County2
Sec 2. That until the time of taking the above vote, the citizens of said four Townships shall be under the jurisdiction of the County of Boone.
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12/21/1840
Passed the Senate Decr. 21 1840
M L Covell Secty[Secretary]

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A bill for an act to define the bounds of Boone County
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laid on table
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Engrossed.
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Counties
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1On December 19, 1840, George W. Harrison in the Senate presented the petition of citizens of Boone and McHenry counties, requesting an alteration of their respective county lines. The Senate referred the petition to the Committee on Counties. In response to this petition, John Moore of the Committee on Counties introduced SB 68 in the Senate on December 24. On December 28, the Senate referred the bill to the Committee on Counties. The Committee on Counties reported back the bill on December 29 without amendment, recommending its passage. The Senate passed the bill on December 30. On January 13, 1841, the House of Representatives referred the bill to the Committee on Counties. The Committee on Counties reported back the bill on January 29 with an amendment, and the House referred the bill and proposed amendment to a select committee. The select committee reported back the bill on February 11 with a substitute, in which the House concurred. On February 12, the House tabled the bill.
Illinois House Journal. 1840. 12th G. A., 167, 220, 295, 371, 376; Illinois Senate Journal. 1840. 12th G. A., 92, 112, 120, 121, 125.
2The General Assembly defined the boundaries of Boone County in the act creating the county, but there was apparently a mistake in the description, “whereby only a right angled triangle composed of the southeasterly half of the county, was included.” In 1839, the legislature passed an act further defining the boundaries of said county. In 1843, the General Assembly added a small strip of Winnebago County to Boone, establishing the final boundaries of Boone County.
“An Act to define the bounds of Boone county,” 28 February 1843, Laws of the State of Illinois (1843), 92; Newton Bateman and Paul Selby, eds., Historical Encyclopedia of Illinois and History of Boone County, ed. by Richard V. Carpenter (Chicago, IL: Munsell, 1909), 2-666-67.

Handwritten Document, 2 page(s), Folder 268, SB 68, GA Session 12-2, Illinois State Archives (Springfield, IL) ,