ECONOMICAL GEOLOGY. 29 



Ft. In. 



3. Yellow clay 7 



4. Gravel with water 2 



5. Blue clay 7 6 



6. Brown clay 17 



7. Sand with water 3 6 



8. Brown clay 8 



9. Coarse gravel 2 



10. Brown clay and sand 8 



11. Sandstone and clay 4 



12. Limestone (boulder) 3 



13. Hard brown clay 12 



14. Soft blue clay 2 



15. Hard blue clay shale 25 



16. Sandstone and shale 11 



17. Dark clay shale 8 



18. Coal -2 9 



19. Fire clay 2 3 



20. Clay shale 2 



Total depth 129 3 



A boring- at Cullom near the eastern line of the county made 

 by Mr. Bennett Reeder for the Livingston county Coal Pros- 

 pecting Company gave the following result: 



No. Ft. In. 



Total depth 197 11 



