INDEX. 
243 
F - Page. 
Faulkner County, clay industry in 96-97 
clays of 92 
geology of 90-92 
section of 97 
sections of, figures showing 91-29 
Fayetteville, clay industry at 07 
Fayetteville formation, character and dis- 
tribution of 15 
Feldspar, analysis of 25 
Felker mine, clays at 121 
Felsenthal, clay industry at 221 
Fire clays, analyses of 236 
occurrence and character of 35, 
66-07,128, passim. 
Fletcher Creek, clays on 129 
Forrest City, clays at 44 
clays at, analysis of 181 
sections at and near 179 
Fort Smith, clay industry at 201-204, 214-217 
clays at and near 08, 101, 201-206 
analysis of 202,204,200,217,236 
sections at 205, 216 
Fort Smith formation, character and distri- 
bution of 17 
Fossils, occurrence of 38-39 
Fourche La Fave River, clay on 200 
Fourche Mountain district, clays of 162-166 
clays of, analysis of 164, 165 
wells in, sections of 164, 165 
Franklin County, clay industry in. „ 102-103 
clays of 98, 102 
analysis of 99 
geology of 97-98 
sections in 98,99,101,102 
Freeo Creek, clays on 77, 85 
Fuller, clays near 208 
G. 
Gainesville, clay industry at 108 
clays at 42, 108 
analysis of 42, 108 
Garlan \ County, clays of 103 
rectorite in 103-104 
analysis of 103 
Geologic history, outline of 18, 36 
Geologic map of Arkansas Pocket. 
Geology of region , bibliography of 37 
description of 12-19 
general features of 11-12 
Golden City, clays at 129 
Goodwin Prairie, clays from, analyses of . . 181-182 
Goulets Island, lignite on 50 
well on, record of 50 
Grant County, clays of 104 
description of 104 
lignite of 105 
wells in, records of 105 
Greenbriar, clays near 95 
Greenbriar syncline, description of 94 
Greene County, clay industry in 108 
clays of 40,45,107,108-109 
analyses of 41,42,108,109 
geology of 107-108 
Green's clay, analysis of 87 
quality of 76 
Gum Bottom, clays in ..... 105 
M - Page. 
Hackett City, clays from, analysis of 207 
Hamburg, well at, record of 48 
Hampton, clays near 52 
Harris, G. D., on Arkansas clays 48-49,55 
Harrisburg, clay industry at 156 
clays at 45-46 
analyses of 154-156 
sections at 154 
Hartman, clays at 121 
Hartshorne sandstone, character and dis- 
tribution of 17, 157-158 
Hayes, C. W., work of 12,33 
Hays Creek, clays on 84 
Hegwood Prairie, clays on 131 
Helena, clays near 42 
Hempstead County, clay industry in 110-111 
clays of 110 
analysis of •. Ill 
geology of 1 10 
Holland, clays near 95, 133 
Holland syncline, description of 93-94 
Hope, clay industry near 110-111 
clays near 110-111 
analysis of Ill 
Hot Spring County, clay industry in 117 
clays of 57, 112-116 
analysis of 113 
geology of 112 
section in, figure showing 113 
wells in, sections of 114-115 
Huckleberry Mountain, clays at 130, 231 
Hunter, wells near, records of 230 
Huntington, clays near 208 
Illinois Creek, clays on 157 
I mbdden, clays at 126 
Intrusive rocks, character and distribution 
of 12 
Iron Ore Mountain, clays of 158 
Ivy, clays near 79 
Jackson County, clays of 118 
description of 117-118 
Jefferson County, clay industry in 119 
clays of 118-119 
section in 118-119 
Jennings Hill, clays at 129 
Johnson County, clays of 120-124 
clays of, analyses of 122 
geology of 120 
sections in 121, 122 
Johnsons Bridge, clays at 232 
clays at, analyses of 232, 233, 236 
section at 232 
Jonesboro, clay industry at 63-64 
clays at 44-45 
analyses of 63 
well near, record of 63 
.ludsonia, clay industry at 228 
clays near 227 
K. 
Kaolin, analyses of 21,25,140,141,151,163,196 
beds of, description of. 116, 148-153, 163, 194-197 
section of, figure showing 152 
