gg TRANSACTIONS OF THE ILLINOIS 



three hundred fifty-three acres of woodland, or about six and three- 

 tenths per cent, of its surface. 



The Rock River District, including the northwestern portion of 

 the State, has a somewhat larger amount of forest. Its eleven counties, 

 six thousand, six hundred fifty-two square miles, and four million 

 two hundred fifty-seven thousand, two hundred eighty acres 

 contain three hundred seventy-two thousand, seven hundred twenty 

 acres of woodland, or about eight and seven-tenths per cent. 



Taking these two districts together we may say that about seven 

 and a half acres in every hundred of Northern Illinois lands are wooded. 



Coming to Central Illinois, we find the Illinois River region, com- 

 prising twenty-one counties, eleven thousand, two hundred eighty 

 square miles, and seven million, two hundred nineteen thousand, 

 two hundred acres, to have one million, seventy-three thousand, five hun- 

 dred ninety-three acres of its surface, or about fifteen per cent, cov- 

 ered with with woodlands. 



Going thence eastward into the Grand Prairie District we find its 

 seventeen counties, twelve thousand ninety-six square miles, or seven 

 million, seven hundred forty-one thousand, four hundred forty 

 acres of territory, to have five hundred thirteen thousand, seven hun- 

 dred and twenty-six acres of woodland, or about six and six-tenths per 

 cent. 



The two districts comprising Central Illinois have therefore an 

 average supply of ten and eight-tenths per cent, of forests. 



Coming down into Egypt we ascertain that the Wabash District, 

 comprising seventeen counties, seven thousand, eiglit hundred 

 seventy-four square miles, and five million, thirty-nine thousand, three 

 hundred sixty acres on the Wabash slope, contains one million, two 

 hundred sixteen thousand, nine acres of forest, or twenty-four per 

 cent, of its whole surface. 



The Kaskaskia District comprising thirteen counties, six thousand 

 nine hundred seventy square miles, and four million, four hundred 

 sixty thousand, eight hundred acres, has nine hundred sixty-four 

 thousand, six hundred thirty-six acres, or twenty-six and six-tenths 

 per cent, of woodland. 



Whilst the Grand Chain District, comprising the eleven counties 

 in the e.xtreme southernmost part of the State and having an area of 

 three thousand, six hundred forty-six square miles, or two million, 

 three hundred thirty-three thousand, four hundred forty acres, 

 has six hundred twenty-three thousand, five hundred forty-one 

 acres, or twenty-one and six-tenths per cent, of woodland. 



The forty-one counties of Southern Illinois contain therefore 

 eighteen thousand, four hundred ninety square miles, or eleven 

 million, eight hundred thirty-three thousand, six hundred acres, of 

 which two million, eight hundred four thousand, one hundred 

 eighty-six acres, or twenty-three and seven-tenths per cent, are covered 

 with forests. 



