List of Altitudes in Illinois. 135 



Mackinaw River. 



Mouth 436 



West of Stoehr's 460 



Three miles east of Mackinaw Falls 500 



Mouth of Prairie Creek 550 



Near Mackiuaw Dells 620 



Near Money Creek P. 700 



North of Colfax 750 



Macoupin Creek. 



Mouth 404 



Near Riverdale 450 



West line of Macoupin county 500 



East of Plainview 550 



Mississippi River. 

 Low water levels: 



Cairo 268 



North line of Union county 318 



Chester ".. , 340 



St. Louis 380 



Grafton 400 



Louisiana, Mo 437 



East Hannibal 450 



Quiucy 458 



Hamilton 477 



Niota 502 



Burlington, la 511 



New Boston 523 



Rock Island 542 



East Clinton 566 



Savanna 572 



East Dubuque 585 



Ohio River. 



Cairo 268 



Yates Landing: 280 



Metroy)olis City 285 



Golconda 293 



Elizabethtown 299 



Shawneetown 307 



Mouth of AVabash 311 



