44 J. J. STEVENSON — CARBONIFEROUS OP APPALACHIAN BASIN 



Feet. Inches 



18. Dark shale with plants (K) 3 



19. Pebbly sandstone 12 



20. Dark shale with plants, coal, 6 inches (J) 8 6 



21. Conglomerate with shale 3 feet 25 9 



22. Coal bed 6 



23. Conglomerate sandstone 29 8 



24. Conglomerate shale with plants. (I) 20 



25. Dark shale with plants (H) 11 8 



26. Sandstone and conglomerate, plants (G) 37 



27. Fireclay and shale with plants (F) 6 



28. Conglomerate and sandstone 29 6 



29. Sandstone with plants (E) 5 



30. Sandstone, conglomerate, coaly shale 64 6 



31. Coal bed 4 



32. Fireclay, dark shales, plants (D) 7 6 



33. Sandstone and conglomerate 58 



34. Very dark shales with plants (C) 3 



35. Coal bed 1 



36. Conglomerate, sandstone, some shale 212 



37. Dark sandy shales with plants (B) 4 



38. Sandstone, shale, and conglomerate 195 



39. Red shale with plants (A) 9 



in all, somewhat more than 1,200 feet. The thickness is almost 150 

 feet less than is given by the Pennsylvania Survey reports, but the 

 difference is due mostly to choice of plane for division from Lower Car- 

 boniferous. The lettered beds are those from which Mr White made 

 collections of fossil plants. The coal beds in this section are wholly 

 unimportant, but the horizons are at 43, 66, 214, 248, 398, 405, 458, 484, 

 686, 730, and 802 feet below the Buck Mountain coal bed, the lowest 

 being at somewhat more than 400 feet above the assumed bottom of the 

 formation.* 



Returning now to the west portion of the field, one finds in the south- 

 ern portion just east of the origin of the southern prong a full section 

 obtained at the Kalmia and Lincoln collieries. Condensed, it is as fol- 

 lows, the topmost coal being at 48 feet below the Buck mountain. f 



Feet. Inches 



1. Coal bed . . 2 



2. Mostly conglomerate 249 



3. Lykens Valley coal bed, No. 1 10 



4. Conglomerate, some sandstone and shale 287 



5. Coal and shale 2 9 



6. Sandstone and conglomerate 29 6 



* David White, op. cit., pi. clxxxi. 



f Atlas Southern Anthracite Field, AA, 46, columnar section, sheet xi. 



