30 



CHICAGO ACADEMY OF SCIENCES. 



List of deep borings along the Valparaiso Moraine in Lake, Cook, 

 Bit Page and Will Counties : 



1. At Ivanhoe, on crest 



2. Near Lake Zuricli, on urest 



3. At Lake Zurich, 20 to 30 feet below crest 



4. Hainesville, near crest 



5. Gilmer, near crest 



6. Crest, east of Wauconda 



7. Crest, south of Barrington 



8. Barrington, 40 to 45 feet below crest 



9. East of Elgin, near crest '220' 



10. Palatine and vicinity 100 



11. Near Schaumberg, along crest 



12. Arlington Heights, about 150 feet below 



crest ... - 



13. North of Arlington Heights, 20 to 30 feet 



above station - 



14. Near Spaulding, about 50 feet below crest 



15. Bartlett, 10 to 20 feet below crest 



16. Ontarioville, near crest 



17. Eoselle, about 50 feet below crest 



18. Crest south of Bloomingdale 



19. Itasca 



20. Bensenville 



21. Elmhurst 



22. Elmhurst Quarry .' 



23. Turner Junction 



24. Quarries near Naperville 



25. Crest east of Naperville 



26. Downers Grove 



27. Crest east of Downers Grove 



28. Near Clarendon Hills 



29. Crest northwest of Lemont 



30. Crest of moraine east of Lockport 



31. Near Spencer 



32. Crest near Frankfort 



33. Hickory Creek, near Frankfort 



34. Sec. 13, Tp. 35, E. XII E 



35. Monee, on crest 



36. Crest near Goodeuow 



37. Beecher 



38. Sec. 11. Tp. 34, R. XIV E 



39. Chicago Heights 



40. Quarry 1 Mi. east of Chicago Heights 



Thickness 

 of 

 Drift. 

 290 feet 

 267+ 

 240 4- 

 287 + 

 213-f- 

 230 + 



3154 

 254 

 ■240 

 .170 + 

 190 + 



128 



Approximate 

 Elevation 

 de. 

 Jet 



above Ti 

 800 fe 

 900 

 880 

 880 

 820 

 850 

 850 

 818 

 850 

 750 

 825 



700 



