COAL OIL. 37 



These quarries employ about 33 men, and being located immediately 

 upon the railroad, the product can be readily shipped to any point 

 where a market can be found. 



The bottom of the quarry furnishes the best dimension stone, 

 especially where it is required to withstand the action of frost find 

 water. Its power of resistance is said to equal any sandstone yet 

 found in the State. 



At Marietta siding, about a mile further west, another quarry has 

 been opened, but little work except stripping has been done. It is 

 located on the same sandstone as the Bockville quarries. 



COAL OIL. 



The Litchfield Coal Company made a boring in the bottom of 

 their coal shaft in November, 1879, for the purpose of determining 

 whether another coal scam thick enough to be profitably mined, 

 could be found below the one they were then working, and at the 

 depth of 82 feet below the surface, and 255 below the coal in their 

 shaft, they found the first deposit of coal oil of any value that has 

 been found in the State. It is a heavy lubricating oil, and was 

 associated with salt water and gas, the latter in such quantity that 

 it might be utilized for lighting the city. For the following record 

 of the beds passed through at Litchfield to reach this oil deposit, I 

 am indebted to the Secretary of the Litchfield Coal Company. 



Ft. In. 



No. 1. Surface clay, gravel, etc 75 fi 



No. 2. Limestone 14 



No. 3. Black slate and coal 3 6 



No. 4. Fireclay 4 



No. 5. Clay shale 8 



No. 6. Shelly limestone 5 



No. 7. Shale and gray slate 79 



No. 8. Hard, silicious rock 3 6 



No. 9. Fire-clay 2 



No. 10. Shelly limestone 8 



No. 11. Brown silicious rock, very hard 6 



No. 12. Soft clay shale 3 6 



No. 13. Gray shale and sandstone 14 



No. 14. Brown sandy shale 19 



No. 15. Sandstone and shale 97 



No. 16. Grayshale 45 



No. 17. Darkshale 33 



No. 18. Blackshale 7 



No. 19. Coal No.5? 2 



No. 20. Hardflre-clay 16 



No. 21. Hard silicious rock 1 6 



No. 5s2. Coarse brown sandstone ... 9 



