108 Illinois State Laboratory of Natural Illstory. 



Lodge Wabash R. R 69D 



Mansfield C, C ,C. »5c St. L. R. R 727 



Milniine Wabash R. R 708 



Monticello " 655 



Pierson Station I., D. & W. R. R 680 



Voorhies Wabash R. R 680 



White Heath " 697 



Centerville M. A. Earl 660 



Sec. 15, T. 20 N., R. 5 E. " 720 



" 20, T. 19 N., R. 5 E. " 717 



" 22, T. 18 N., R. 6E. " 730 



" 36, T. 17N.,R. 6E. " 700 



" 18, T. 16N.,R. 5E. " 720 



" 8, T. 17 N., R. 5 E. " 785 



PIKE COUNTY. 



Bench-maik. 



Hannibal, Mo. Bolt in face of natural 

 rock at east entrance of tunnel. In rock 

 facing east on south side of tunnel, 7 ft. 

 south of entrance 488.59 



Low water at Bedford 413 



Arden Wabash R. R 790 



Barrv " 666 



Baylis " 864 



Brewster C", B. & Q. R. R 466 



Griggsville Wabash R. R 681 



Hadlev " 747 



Hannibal Bridge C, B. & Q. R. R 481.7 



Horton's '' 468 



Hull " 467 



Kinderhook " 464 



Louisiana Bridge " 466.5 



Nebo C. & A. R. R 484 



New Canton C, B. & Q. R. R 468 



New Salem Wabash R. R 774 



Pearl " 451 



Pike C, B. & Q. R. R 455 



Pittsfield AVabash R. R 760 



Pleasant Hill C. & A. R. R 459 



Rockport C, B. & Q. R. R 471 



Seehorn " 479 



