246 
INDEX. 
S - Page. 
St. Francis County, clay industry in 182 
clays of 40, 42, 44, 180-182 
analyses of 181-182 
geology of 179-180 
sections in 179,180 
Saline County, clay industry in 197-198 
clays of 182-197 
analyses of 191, 193 
geology of * 182 
kaolin in 194-197 
sections in 183-189, 191, 192 
Saline River, clays on 49, 50, 90, 105, 106 
Sandy Branch, kaolin on 140 
kaolin on, analyses of 140 
section on 142 
figure showing 140 
Savanna formation, character and distribu- 
tion of 17 
Scott County, clays of 200 
geology of 198-199 
Searcy, clay industry at 229 
clays near 227 
Sebastian County, clay industry in 213-218 
clays of 200-213 
geology of 200-201 
Sedgwick, well at, record of 125 
Seely Mountain, section of, figure showing . 139 
Shale, clay from 22-32 
clay from, figure showing \ 22 
Sheridan, well at, record of 106 
Shoal Creek, clays near 130, 131 
Shoal Creek Ridge, clays at 130 
Short Mountain, clays near 130, 131 
Silbenthal, C. E., work of 53, 66, 73, 170-171 
Silurian rocks, occurrence and character of. 13 
Slope soils, character and distribution of. . . 31-32 
Southland, section near 147 
Spadra shale, character and distribution 
of 17,98,120,157 
Spencer Creek, clay near 155-156 
clay near, analysis of 155 
Spielersville, clays near 130 
Spring Hill, clay industry near Ill 
clays near 110 
Spring Mountain, clays at 130, 231 
Stiewell mine, clay at 121 
Structure, general features of 11-12 
Stuttgart, clay industry at 47 
well at, record of 47 
Sugar Creek, clays on 131 
Sullenbarger clay, quality of 75-76 
Sulphur Spring coal drift, clay at 143 
section of 143 
Sweet Home, clay near 165 
Syenite, blue, analyses of 21, 25 
clay from, figure showing 21 
Syenite, decomposed, analysis of 21, 25 
T. 
TafT, J. A., on Ouachita Mountains 11-12 
Tail's clay, analysis of 87 
quality of 76 
Tennessee Ridge, clays at 209 
Tertiary clays, deposition of 36-37 
distribution of. 36, 39 
Page. 
Tertiary rocks, occurrence and character 
of 18-19, 36-37, 38 
Texarkana, clay industry at 136-137 
clays near 135 
Three Knob Mountain, clays at 130, 231 
Toll ville, well at, record of 161 
Topography, description of 11-12 
Tucker Mountain, clays on 158 
Tunstle Creek, clay near 76 
Turritella carinata, occurrence of 188 
Two Bayou, clays on 53 
U. 
Union County, clay industry in 221 
clays of 219-221 
analysis of 220 
geology of 218-219 
lignites in 218-219 
sections in 219, 220 
V. 
Vache Grasse Creek, clay on, analysis of . . . 211 
Van Buren, clay industry at 70 
clays near 67-69 
analysis of 67-69 
section near 65 
Vaughn Creek, kaolin on 148-149 
kaolin on, analyses of .• 151 
sections on, figures showing 149, 152 
W. 
Waldron, topography near 199 
Walnut Ridge, clay industry in 126 
clays at 125 
section at 125 
Ward, clays near 133 
Ward, L. F., on Arkansas fossils 38 
Warren, clays near 49-50 
wells near, records of 49 
Washburn Creek, clay on 198-199 
Wattensas Bayou, clays on 133 
Webb City, clays at 100-101 
section at 101 
Welch clay, analysis of 87 
quality of 75 
West Point, clays near 227 
West Tulip Creek, clays on 82 
White Bluff, section on 118-119 
Whitecliffs, clays near, analyses of 29 
White County, clay industry in 228-229 
clays of 223, 225-228 
analyses of 224 
geology of . . .• 222-225 
sections in ' 226 
figures showing 223 
White River, clays on 44 
Whitewater Creek, clays near 52-53 
section near 53 
Wichita Cove, kaolin in 116 
Wildcat Mountain, clays at 130 
Williams, J. F., work of 12 
Willow, clays near 81 
Wilmington Landing, clays near 219 
clays near, analysis of 220 
