56 GENERAL INDEX. 



Tazewell, McLean, Logan and Mason counties, (H. M. BANNISTEE) 17,176-189 



Physical features IV, 176 



Sections of strata IV.178-186; 7111,12,14.50 



Quaternary deposits IV, 177; VIII.12,14 



Coal measures IV.179; VII.4; VIII.50 



Economical Geology, (coal, clay, sand, mineral springs) IV, 187 



Union Co.. (A. H. WOBTHKN and HENKY ENGELMANN) 111,33-57 



Physical features 111,33 



Sections of strata 111,35-47 



Quaternary deposits 111,50 



Conglomerate sandstone 111,50 



Chester group 111,44 



St. Louis group 111,42 



Kinderhook group 1,112; 111,41 



Devonian system Ill, 40 



Clear Creek limestone 111,37 



Lower Helderberg limestone 111,36 



Economical Geology, (iron ore, potter's clay, building materials, 

 marble, mill-stones, mineral springs, agriculture) 111,51 



Vermilion Co.. (FBANK H. BBADLEY) IV, 241-265 



Physical features IV, 241 



Sections of strata IV.244-263 



Quaternary deposits IV, 242 



Coal measures IV.244; VII, 7,23 



Economical Geology, (coal, building materials, flre clay, iron ore, 



gold and copper in the drift, salt, road material) IV, 255 



" Analyses of coals IV, 257 



Wabash and Edwards counties, (A. H. WOETHEN) VI.51-65 



Physical features VI, 51 



Sections of strata VI , 53-60 



Coal measures VI, 52 



Economical Geology, (building stone, coal, iron ore, brick material, 



potter's clay, agriculture) VI, 60 



List of forest trees and shrubs, by Dr. J. SCHENCK VI, 63 



Warren Co., (H. A. GEEEN) IV.288-300 



Physical features IV, 288 



Sections of strata IV.290-299; VIII. 66 



Quaternary deposits IV, 289 



Coal measures IV, 289 



Burlington limestone IV, 295 



Kinderhook group IV, 297 



Economical Geology, (coal, lime, building stone) IV , 298 



Artesian well VIII, 66 



Washington Co., (HENEY ENGELMANN) Ill, 145-171 



Physical features Ill, 145 



Sections of strata 111,162,164; VII, 10 



Coal measures 111,148 ; VII, 10 



Economical geology, (coal, building materials, agriculture) 111,169 



Wayne and Clay counties, (A. H. WOETHEN) VI.82-97 



Physical features VI, 82, 88 



Sections of strata VI, 83-95 



Quaternary deposits VI, 89 



Coal measures VI, 83, 89 



Economical Geology, (building materials, coal, potter's clay, iron 

 ore, mineral springs, agriculture) VI,87,95 



