GENERAL INDEX TO GEOLOGICAL SURVEY 

 OF ILLINOIS. 



VOLUMES I VIII. 

 A. GEOLOGY. 



Alluvial deposits 1,24; V111.7 



Altitudes in niinoi - 1, 3 



Grundy Co FV, 192 



Will Co IV.224 



Ancient soils in the Drift IV, 45; V, 307; Vn,23; VIII, 9, 14, 15, 16. 18 



valleys 1,7; IV, 191, 237; VHI,11.28,34 



Anticlinal axis 1,5,7; V.39,41; Vn,39; Vm.25 



Antiquities see Indian remain-. 



Ai chimedes limestone n,13 



Area of Illinois 1, 2 



Artesian wells in Bureau Co V,172,173 



Cass Co Vm, 65 



Cook Co EH, 244 



Fulton Co Vn,5; Yin. 62 



Grundy Co IV,205 



Hancock Co V ill, 62, 64, 65 



Kane Co IV. 114 



LaSalle Co VII, 40, 49,50 



Livingston Co VI, 244 



Morgan Co VHI,66 



Eichland Co Vn,5,7.40: VIII,63 



Tazewell Co IV. 189 



Warren Co Vm,62,66 



Athens (Lockport) Marble 1,133; IV.220 



Azoic rocks 1, 19 



Barren coal measures 1,48 



Barrens and postoak flats HI, 84-87 



Bitumen in Cook Co 111,255 



Bituminous shales 1, 140, 176,262; V.16 



Black slate 1, 119 



Blue and Buff limestone 1,165. V.21,22 



Boulder Clays see Quaternary deposits. 



Building stone VH.34 



" , Table showing tests and properties of V.157 



Burlington group 1, 102-108 ; VIH, 159 



Burrstone 1, 234 



Calciferous sandstone 1,149,163; 111,280-282 



Calif ornia diggings 1, 142 



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