ndkx. 249 



Huzza prairie, of Carroll county, soils of the 94 



Hypogene rucks, not observed north of the Arkansas river 125 



Importance of geological surveys 11 



Impressions, curious, in Bandstone ' 114, 125 



Impressions of leaves in quarternary Bandstone 25, 29 



Independence county 33, 216 



analysis of the zinc ores of 183 



Big Bpring of 38 



black marble of 218 



character of soils of 40, 222 



cotton-rock of 221 



ferruginous shale of 219 



millstone rock of 217 



occurrence of ores of copper in 220 



iron in 40, 217 



lead in 222 



manganese in 39, 221 



zinc in 222 



oolitic limestone of 220 



salt-petre cave of 38 



section ol strata in 216 



white sandstone of 38, 41, 221 



Indigo knob of Carroll county 97 



Introduction 9 



Introductory letters 5, 145, 196 



Iron manufactured in Lawrence county quality of the 213 



Iron ore, analysis of 170-173 



occurrence of, in Carroll county 98 



in Crawford county 125 



in Ful ton county 62, 223 



in Independence county 40, 217 



in Lawrence county 213 



in Madison county , 102 



in Pope county 233, 234 



in Pulaski county 239, 241 



in Randolph county 206, 207 



in Van Buren county 72 



in Washington county 112, 116, 120 



in White county 68, 69 



table, showing the richness of the different kinds of 173 



where most abundant 137 



Izard county 41 



agate and hornstone in 44 



buhr millstone of 44 



limestones of 41, 42, 44 



occurrence of copper ore in 45 



reported occurrence of manganese ore in : 44 



of silver ore in 43 



soils of 42 



Terra Sienna of 44 



white sandstone of 41-43 



Jackson county 32, 215 



black spice land of 32 



character of northern part of 215 



of soils of 215 



Johnson county 129, 230 



occurrence of coal in 230 



section of strata in the coal region of 231 



on Spadra ereek, in 129 



Spadra coal of 129 



Kellogo lead mines 237-241 



Kentucky, results of the geological survey of 13 



Kimble's creek, analysis of the water of 102 



Koch mine 211 



Koch mine, analyses of the ore from the 151 



L' A.-.guille bottom of Poinsett county 30 



L'Anguille bottom, wells sunk in 31 



