244 
INDEX. 
Page. 
Kaolin, formation of 25 
nature of 24-25 
varieties of 194-195 
Kennedy, William, work of 66 
Kensett, clays near 227 
Kerl, Bruno, on feldspar decomposition 22 
Kilmer kaolin, analysis of 87 
quality of 78-79 
Kingsland, clay industry at 56 
L. 
Lafayette County, description of 124 
section in 124 
L' Anguille River, clays on 44, 45, 154 
Lapile Creek, clays on 220 
Laughlin, Homer, on rectorite 104 
La Vesque, clay near 40 
Lawrence County, clay industry in 12G 
geology of 124-126 
sections in 125 
Lee County, clay industry in 127 
clays of 127 
analysis of 127 
geology of 126-127 
Lees Creek, clays near 69 
Lenox, L. R. , analyses by 87 
Lignites, occurrence of 18,19, 39-41 
Limestone, clay from 23 
clay from , figure showing 23 
Lisbon, clays near 219 
Little Bay, clays near 53 
Little Cypress Creek, clays on 81, 82 
clays on, analysis of 87 
kaolin on 78 
section of 78 
Little Rock, clay industry in 1^-179 
clays in and near '. 162 
analyses of 175-176,237 
sections in 170, 171, 172, 173, 174 
Little Washburn Creek, clays on 200 
Little W hite Oak Ridge, clays at 209 
Liverpool, clays near 208 
Locust Bayou, clays on 53 
Loess, analyses of 108, 127, 155, 181 
character and distribution of 29-31, 43-44 
uses of 30 
Logan County, clays of 128-132 
clays of, analysis of 129 
geology of 128 
Lonoke, clay industry at 134 
Lonoke County, clay industry in 134 
clays of 44, 132-134 
geology of 132 
wells in, records of 133, 134 
Lorado, section near 62 
Lost Hurricane Creek, clay on 106 
Lovelady, clays near 41-42 
Lower Coal measure, identity of 16 
See also Winslow formation. 
M. 
Mabelvale, clays at and near 162, 166-169 
clays at and near, analyses of 166-167, 169 
wells at, records of 167, 168, 169 
McAlester group, character and distribution 
of 17 
Page. 
McAlmont, clays near 177-178 
Magazine, clays at 1 29-130 
Magazine Mountain, clay near 231 
Magness Creek, clays on 133 
Magnet Cove kaolin, occurrence and char- 
acter of 116, 150 
Magnolia, clay industry at 58 
clays near 56 
well near, record of 57 
Malvern, clay industry at 117 
clays near 114 
well near, record of 114 
Mansfield, clay industry at 215 
clays near 208 
section near, figure showing 208 
topography near 207-208 
Map, geologic, of Arkansas Pocket. 
Marianna, clay industry at 127 
clays at and near 44-45,127 
analysis of 127 
Massard Creek, clays of 205 
Massard Prairie, clays of 205, 212 
Mechanical origin, clays due to 24 
Mena, clay industry near 160 
Meto Hills, section of, figure showing 91 
Meto Mountain, section of, figure showing . 91 
Miller County, clay industry in 136-137 
clays of 135 
analyses of „ 136 
geology of 135 
sections in 135 
Miller Creek, clays near 76 
Millstone grit, description of 16 
See also Winslow formation. 
Mississippi County, description of 137 
Mississippian rocks, occurrence and char- 
acter of 14-15 
Monroe County, clays of 44 
Monticello, clay industry at 90 
clays near 89 
well near, record of 89 
Moorefield shale, character and distribution 
of 14 
Moro Creek, clays on 53 
Morriilton, clays near 59-61 
section near, figure showing 61 
Morrow formation, character and distri- 
bution of 15 
Mounds, occurrence of 161 
Mount Elba, well on, record of 55 
Mount Holly, clays near 57 
Mount Nebo, clays near 130, 231 
N. 
Nathan, clay industry at 148 
Nevada County, clay industry in 138 
description of 137-138 
New Edinburg, section near 55 
Newtonite, character and distribution of. . 32 
Nigger Hill, clay from, analysis of 206 
Norristown Mountain, clays of 157, 158 
O. 
Ocher, occurrence of 42 
Ola, clays at 231 
Old Lewisburg, clays at 59-60 
section at 59 
