INDEX. 131 



Keokuk Limestone, cave in 80 



Knox Dolomite 25, 90, 91 



Lagrange Sandstone 22 



Limestone Mountain, or Bangor 20, 21, 83, 86 



Limonite horizons 89-93 



Silurian 103 



Sub-Carb 101-106 



" near Village Springs 107 



Limonite, or Brown Ore, estimate of 108 



Little's ore ridge 81-2 



Manganese, ores of 45, 73, 82, 106 



" " descriptions of 110-120 



" " Geological position of 112 



Manganite Ill 



Manganiferous iron ore 82, 111, 114 



Murphree's Valley, Location and area 7 



" Drainage of 8 



" " Structure of 28 



" " Sections in 31 



" Mines in 65, 78, 95 



Notes, on structure and formations of 7, 19, 22, 23, 26, 30, 39, 62 



Ore Veins cut oft" by fault 70-72 



Pelham Limestone 25 



Porcelain Clay 121 



Pot Oie 53 



Psilomelane Ill 



Pyrolusite 110-115 



Quarries at Compton 66 



Quantity of Hematite ore 87-8 



Red Mountain 14 



Clinton of 39 



Section of 40 



East Red Mountain 85 



Red Chalk 105 



Reversed or inverted Strata 32. 37 



Sand Valley 12 



Sand Mountain 15 



Sand Glass Sand 124 



Sections across vallev.. 31 



