The Second Limonite Horizon 91 



The Third Limonite Horizon 92 



The Fourth Limonite Horizon 92 



The Fifth Limonite Horizon 92 



The Sixth Limonite Horizon 93 



Details 94 



Champion Mines 95 



Estimates of the Quantity of Limonite in Murphree's Valley 108 



Manganese Ores 110 



Geological Position 112 



Details of Occurrence 112 



Industrial Materials 120 



Brick Clay 120 



Halloysite or Pholernite 121 



Hone Stone 122 



Building Stone . . .122 



Fire-Proof Rock 124 



Conclusion . . . .126 



