EXTENT OF THE DISTRICT. 



The district described in the following chapters consists of the 

 counties of Eock, Jefferson, Dodge, Green Lake, except that portion 

 lying on the left bank of the Fox river, Winnebago, Outagamie, that 

 portion of Waupaca which lies on the left bank of the Wolf river ; 

 those portions of Shawano and Oconto occupied by Paleozoic rocks, 

 and all the counties lying east of these, consisting of Door, Kewau- 

 nee, Brown, Calumet, Manitowoc, Sheboygan^ Fond du Lac, Wash- 

 ington, Ozaukee, Milwaukee, Waukesha, Walworth, Eacine and Ke- 

 nosha. It constitutes a belt averaging about sixty-five miles in width 

 and more than one hundred and eighty in length, the extreme width 

 being eighty-one miles, and the extreme length a little over two hun- 

 dred. It includes nearly twelve thousand square miles. The area 

 lies throughout its entire extent, adjacent to Lake Michigan, and might 

 appropriately be termed the Lake Border Eegion, were it not that it 

 includes so large an area whose drainage is tributary to the Mississippi. 



