THE KANSAS FIELt)S 689 



Pennsylvania series. Feet 



7. Howard limestone 2- 7 



8. Severy shale 40- 60 



9. Topeka limestone 20- 25 



10. Calhoun shale 0- 50 



11. Deer Creek limestone 20- 30 



12. Tucumseh shale 40- 70 



13. Lecompton limestone 15- 30 



14. Kanawa shale 50- 100 



15. Oread limestone 10- 25 



16. Lawrence shale; includes Chautauqua sandstone member, 



which is the best exposed and most persistent bed of 

 sandstone in this portion of the section. Probably cor- 

 relates with the surface bed at Toronto. Occurs at 



1,550 feet in wells at Augusta and Eldorado 200- 300 



17. Kickapoo limestone 5- 15 



18. Le Roy shale 60- 100 



19. Stanton limestone 20- 40 



20. Vilas shale 5- 125 



21. Allen limestone 6- 75 



22. Lane shale 30- 150 



23. lola limestone 2- 44 



24. Chanute shale 20- 30 



25. Drum limestone 3- 70 



26. Cherryvale shale. About the horizon of the oil sand oc- 



curring at 2,450 feet at Augusta and Eldorado . , 40- 50 



27. Dennis limestone, Galesburg shale, and Mound Valley 



limestone 80- 100 



28. Ladore shale 20- 25 



29. Bethany Falls limestone 15- 25 



30. Pleasanton shale 20- 60 



31. Coffeeville limestone 40- 60 



32. Walnut shale 20- 140 



33. Altamont limestone .' 25- 60 



34. Bandera shale 50- 110 



35. Pawnee limestone. Horizon of Peru oil sand 10- 65 



36. Labette shale 25- 30 



37. Fort Scott (Oswego) limestone 20- 70 



38. Cherokee shale. Includes main oil sands of Kansas out- 



side of Augusta and Eldorado regions. Contains Bar- 



tlesville and Burgess sands 375- 400 



Mississippian series. 



Limestone, calcareous shale and chert shown in Neosho 



well. Boone formation 320 



ProhaMy older than Mississippian. 



1. Dolomitic limestone, sandstone, and chert in Neosho well. 77 



3. Conglomerate and shale in Neosho well 23 



4. Sandstone, conglomeratic with pebbles up to three-quar- 



ters inch in diameter : shown in Neosho well 1,823 



