8 ECONOMICAL GEOLOGY. 



by Mr. Victor E. Phillips, of Olney. The boring was carried to the 



depth of 2,000 feet, and failed to find flowing water. About 1,'270 



feet appears to have been through the Coal Measures, and one seam 

 of coal five feet in thickness was passed at the depth of 1,160 feet. 

 The following is a copy of the log kept by Mr. Phillips : 



Feet. Total. 



1. Soil and clay 12 



2. Sandstone 18 30 



3. Arenaceous shale 11 140 



4. Sandstone 25 165 



5. Shale - 131 296 



6. Limestone 8 304 



7. Sandstone 30 334 



8. Argillaceous limestone 15 349 



9. Shale 382 731 



10. Blackslate , 4 735 



11. Shale with limestone bands 108 843 



12. Limestone 6 849 



13. Shale 1 850 



11. Limestone 6 856 



15. Ferruginous shale 4 SCO 



1C. Galciferous shale 20 880 



17. Brownshale 70 950 



18. Light blue shale 85 1,035 



19. Sandy limestone 42 1,077 



20. Blueshale 3 1,080 



21. Black shale 9 1,089 



22. Sandy limestone 60 1,139 



23. Blackslate 16 1,155 



2*. Coal 5 1,160 



25. Limestone bottom arenaceous 40 1,200 



26. Shale 10 1,210 



27. Blackslate 6 1,216 



28. Shale .-. 15 1,231 



29. Sandy shale 40 1,271 



30. Sandy limestone CO 1,331 



31. Shale 15 1,346 



32. Limestone 69 1,415 



33. Calcareous sandstone 55 1,467 



34. Sandstone 33 1,500 



35. Clayshale 40 1,540 



36. Sandy shale with bauds of black slate 160 1,700 



37. Sandy shale 70 1,770 



38. Calcareous sandstone 40 1,810 



39. Rod sandstone 70 1,880 



40. White sandstone 50 i,;):;o 



41. Brown sandstone 30 1,960 



42. Sandy limestone with thin seams of slate - 40 2,'ino 



The bottom of the Coal Measures was probably reached about No. 



30 or 31, and all below those numbers may be referred to the lower 

 Carboniferous, or to subordinate strata. It is quite remarkable that 

 a boring should be carried through so great a thickness of Coal 



