EXPLANATION TO PLATE 5. 



(Showing the development of the .'^hell and its t^pinosity.) 

 HOLSTON RIVER SYSTEM ContilUied. 



Figs. 1-5. Lot 90. Group 17. Cobb Ford, Tenn. Natural size. 

 Figs. 6-11. Lot 91. Group IS. Strawberry Plains, Tenn. Natural size. 

 Fig. 12. Lot 96. Group IS. Morristown, Tenn. Enlarged 2/5. 

 Figs. 13-14. Lot 123. Group IS. Dopes Bar, Tenn. Natural size. 

 Fig. 15. Lot 203. Group 18. Boyd Shoal, Tenn. Natural size. 



NOLICHUCKY RIVER. 



Figs. 16-22. Lot 104. Group 20. Wiiite Pine, Tenn. Enlarged 2/5. 

 Figs. 23-25. Lot 104. Group 20. White Pine, Tenn. Natural size. 



FRENCH BROAD RIVER. 



Figs. 26-30. Lot 136. Group 21. Dandridge, Tenn. Natural size. 



Figs. 31. Lot 137. Group 21. Hanging Rock Shoal, Tenn. Natural size. 



Figs. 32-36. Lot 156. Group 21. Seven Islands Shoals, Tenn. Natural size. 



TENNESSEE RIVER. 



Figs. 37-43. Lot 47. Group 22. Dickinsons Island, Tenn. Natural size. 



Figs. 44-48. Lot 124. Group 22. KnoxvUle, Tenn. Natural size. 



Figs. 49-53. Lot 152. Group 24. Loudon, Tenn. Reduced 1/18. 



Figs. 54-55. Lot 199. Group 26. Chattanooga, Tenn. Reduced 1/10. . 



Figs. 56-59. Lot 202. Group 26. Chattanooga, Tenn. Reduced 1/10. 

 102 



