103 



Drainage Basin of the Illinois River and Tributaries. 



Tributary 



Des Plaines River 



Kankakee River 



Aux Sable River 



Mazon River 



Nettle Creek, etc 



Waupecan Cr. and Hog Run. . 



Kickapoo Creek 



South Kickapoo Creek 



To Mouth Fox River 



To Mouth Fox River 



Fox River 



Covel Creek 



Clark's Run 



Vermilion River 



Pecumsaugan Cr. L. Verm. R. 



Spring Creek 



Negro Creek 



All Forks 



Bureau Creek 



Coffee Creek 



Clear Creek 



Senachewine Creek 



Sandy Creek 



Crow Creek (west) 



Crow Creek (east) 



Senachewine Creek 



Richland Creek, etc 



West Slope 



Kickapoo Creek 



Luck Creek 



Mackinaw River 



Tamarish Creek 



Copperas Creek 



Duck Creek 



Plankton Station 



Quiver Creek 



Spoon River 



Otter and Wilson Creeks 



Sangamon River 



Sugar Creek 



Crooked Creek 



Indian Creek 



McKees River 



Mauvais Terres Creek 



West Slope 



Big Sandy, etc 



West Slope 



Apple Creek, etc 



W. Slope to Macoupin Cr 



Macoupin Creek 



Otter Creek 



West Slope 



East Slope 



Area 



1,392 



5,146 



218 



540 



63 

 70 



45 

 24 

 16 



15 

 2,700 



100 



36 



i,3'7 



165 

 56 

 34 

 72 



480 

 24 

 52 

 77 



147 

 88 



226 



132 



1 

 46 



310 



42 



1,217 



55 



151 



1 10 



Total 

 area 



220 

 1,870 



140 

 5,670 



181 

 i.38 3 



2Q0 

 472 

 275 



75 

 ioo 



75 

 525 



45 

 985 



85 

 40 

 28 



15 



1.392 

 6,538 

 6,756 

 7,296 



7.359 

 7.429 

 7.474 

 7.498 

 7.514 

 7.529 

 0,229 



0,329 

 0,365 

 1,682 

 1,847 

 1.903 

 1.937 

 2,009 

 2,489 

 2,513 

 2,565 

 2,642 

 2,789 

 2,877 

 3,103 

 3.235 

 3-433 

 3.479 

 3.789 

 3,831 

 5,048 

 5,103 

 5,254 

 5.364 

 ,364 

 5.584 

 7,454 

 7,594 

 23.264 



23,444 

 24,829 

 25,119 



25,591 

 25,866 

 25.941 

 26,131 

 26,206 

 26,731 

 26,776 

 27,761 

 27,846 

 27,886 

 27,914 



Dist'nce 

 in miles 



00.0 

 00.0 

 4-7 

 9-7 

 10. o 

 12. 1 

 22.7 

 23-7 

 33-1 

 33-1 

 33-i 

 36.4 

 42.5 

 46.2 

 47.1 

 52.9 

 57-3 



62.9 

 65.8 

 71.7 

 73-8 

 75-7 

 81.0 

 89.6 

 90.4 

 93-8 



1 12. 1 

 114. 9 

 121. o 



134-0 



138. 1 



149. •-. 



149.9 

 151 .6 

 160.7 

 174. 1 



177-7 

 188.3 

 193.4 

 205.7 

 209.2 



Bank 



220.7 



235-7 



248.6 



256.4 



R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 R. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B 

 L. B. 

 R. B. 

 R. B. 

 L. B. 

 L. B. 

 R. B. 

 R. B. 

 R. B. 



L. B. 

 R. B. 

 R. B. 

 L. B. 

 R. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 R. B. 

 L. B. 

 L. B. 

 R. B. 

 L. B. 



Area to 



Junction 

 Morris 



Seneca 



Marseilles 



Ottawa 



Utica 

 Peru 



Hennepin 



Henry 



Chillicothe 



Peoria 



Pekin 



Copperas Cr. Dam 

 Kingston 



Copperas Cr. Dam 

 Havana 

 Havana 



Beardstown 



La Grange Dam 



Griggsville Landing 



Montezuma 



Kampsville Dam 



Mouth at Camden 



