List of Altitudes in Illinois. 95- 



Shipmau C. & A. R. R 630 



Staunton Wabash R. R 621 



Virden C. & A. R. R 692 



Womac J. S. E. R. R 651 



BaiT's Store J. C. Turner 615 



Scottville " 675 



Stirrup Grove " 665 



Woodburn " 655 



Sec. 15, T. 9 N., R. 7 W. " 690 



MADISON COUNTY. 



Bench -marks. 



U. S. P. B. M. 7. 



Natural rock on hillside, in woods, 19 

 M. above high-water mark, and 3,150 M. 



below mouth of Piasa Creek 450. OT 



U. S. P. B. M. 8. 



Alton. Window of waters-works build- 

 ing 427.74 



U. S. P. B. M. 9. 



Alton. Door-step in northwest corner 



of German Catholic Church 485.25- 



U. S. P. B. M 10. 



Top of stone post in woods, 5 mi. be- 

 low Alton, and 500 M. from river 

 bank, on land of Gringering, and 300 M. 



east of his house 424.87 



U. S. P. B. M. 11. 



Stone post in woods, 11 mi. beloA' Al- 

 ton, and 10 M. north of road 412.49 



U. S. P. B. M. 12. 



Stone post in grove, 20 M. west of Co- 

 lumbia road, 12.8 mi. above bridge at 

 St. Louis, on Chambers's land, and about 

 opposite lower end of Wilson's Island 456.91 



Alhambra T., St. L. & K. Cy. R. R... 571 



Alton C., C, C. & St. L. R. R 440 



Alton Snmmit C. & A. R. R 550 



Barcovilie J. S. E. R. R 410 



Bethalto C., C, C. c\c St. L. R. R... 535 



Cantine Vand. Line 485 



Carpenter W^abash R. R 533 



Clifton Terrace St. L., A. & S. R. R 430^ 



