ECONOMICAL GEOLOGY. 31 



Ft. In. 



Drifts clays, etc HO 



Sandstone (boulder?) 1 



Coal 10 



Shale 3 6 



Coal 10 



Clay shale 98 



Bituminous shale g 



Coal 3 2 



Total depth 217 10 



A boring made in Livingston county by Mr. B. Reeder, at Saune- 

 min reached a three foot six inch coal seam, probably No. 2 of 

 the general section, at a depth of 373 feet, 3 inches. 



The following record of the Saunemin boring was furnished 

 by the Hon. Charles Ridgely of Springfield: 



No - Ft. In. 



1. Black soil 1 6 



2. Yellow clay 10 6 



3. Blue clay 4 



4. Sand and gravel 3 



5. Blue clay 14 



6. Sand 2 



7. Blue clay 9 



8. Gravelly clay 2 



9. Blue clay 54 g 



10. Sand 4 



11. Blue hardpan 28 6 



12. Brown hardpan 3 



13. Blue hardpan 26 



14. Sandstone 13 g 



15. Sandy clay 9 



16. Sand and gravel with water 1 



17. Clay shale 54 g 



18. Alternating sandy and clay shales 6 



19. Clay shale 2 



20. Coal slate 1 g 



21. Fire clay 2 



22. Clay shale 78 g 



23. Alternations of sandy and clay shales 6 



24. Sandy shale : 8 



25. Clay shale 2 



26. Limestone 3 



27. Sandy shale 3 g 



28. Hard standstone 1 3 



29. Sandy shale 3 



30. Clay shale 13 



31. Coal, No. 2 3 



Total depth 373 3 



If Nos. 15 and 16 of this boring are sand, clay and gravel, as 

 reported, underlying sandstone, it must be located on the 



