List of Altitudes in Illinois. 71 



HARDIN COUiNTY. 



High water at Elizabethtown 354 



Low water at Elizabethtown 299 



Cave-in-Rock C. B. Klingelhoefer 350 



Chambers' Creek " 375 



Grossville " 575 



Hicks " 650 



Karber's Ridge " 550 



Lamb " 400 



Rock Creek " 465 



Rosiclare " 325 



Shetlerville " 375 



Sparks' Hill " 530 



Wolrab Mills " 600 



Sec. 2, T. 11 S., R. 7 E. " 810 



" 4, T. 12 S., R. 9 E. " 726 



HENDERSON COUNTY. 



Bench-marks. 



U. S. P. B. M. 14. 



East abutment of C, B. & Q. R. R. bridge 



at Burlington, la 541.15 



U. S. P. B. M. 15. 



East abutment of C.,B. & Q. R. R. bridge 

 over Prairie Slough, two miles above Bur- 

 lington bridge 530.26 



U. S. P. B. M. 16. 



West abutment of trestle No. 59, 4^ mi. 

 north of Burlington bridge 528.94 



D. S. P. B. M. 17. 



Oquawka. Stone pillar, S. W. corner 

 Robert Moir's brick building 530.26 



U. S. P. B. M. 18. 



Oquawka. S. E. corner Third and Schuy- 

 ler streets. W. side, N. W. corner of brick 

 building, 2J^ feet above ground 547.17 



