INDEX. 
245 
Pasc 
Ordovician rocks, occurrence and character 
of 12-13 
Otter Creek, clays on 41 
Ouachita County, clay industry in 146 
clays of 139-145 
analyses of 140, 142 
geology of 138-139 
kaolin in 140-142 
sections in 142-145 
figures showing 139, 140 
Ouachita Mountains, rocks of 13 
structure of 11-12 
Ouachita River, clays on 50-52, 117, 143 
section on 52, 143 
Ouita basin, coal of 157 
Ozark, clays near 99-100, 101 
clays near, analysis of 99 
sections near 98, 99 
Ozark Plateau, location and character of . . . 11 
P. 
Palarm Bayou, clays in 96 
Paleozoic shales, clays from 34-36 
clays from, uses of 35 
distribution of 35-36 
formation of 34-35 
Palestine, well at, record of 180 
Pangborn, well near, record of 226 
Paragould, clay industry at 108-1C9 
clays at 44-45 
Paris, clays at 130, 131 
Paris shale, character and distribution of. . 17 
Parker Hill, section of, figure showing 139 
Payne mine, clay at 121 
Pennsylvanian rocks, occurrence and char- 
acter of 15-17 
Perla, clays at 57,112-114 
clays at, analysis of 113 
section at, figure showing 113 
Petit Jean Creek, clays on 129, 131 ,200,231 
Phillips County, clay ind ustry in 147 
clays of 147 
geology of 146-147 
section in \ 147 
Pike County, clay industry in 148 
clays of 148-153 
analyses of 151 
geology of 147-148 
kaolin in 148 
sections in 149,150 
figures showing 149, 152 
Pine 15 lu IT, clay industry at 119 
Pine Ridge, clays at 130 
Pitkin limestone, character and distribution 
of 15 
Plastic clays. See Residual clays. 
Poinsett County, clay industry in 156 
clays of 44,45 
analyses of 154 156 
geology of L53 L54 
sections in 154 
Point Remove Creek, clays on 59 
Pope County, clays of L58-160 
clays of, analysis of . . 159 
Page. 
Pope County, geology of 156-158 
section in 158 
Poteau group, occurrence of 98 
Poteau Mountains, description of 1)8-199 
Poteau River, clays on 200,216 
section on 216 
Pottery clays, age of 39 
analyses of 230 
nature of 26 
origin of 26 
Powhatan, section near 125 
Prairie County, clay industry in 1 til- 1 til' 
clays of 44 
geology of : . . . 160-161 
mounds in 161 
sections in 161 
Prairie View, clays at 130 
Pratt, clay industry at 53 
clays at 54 
Princeton, clays near 81,82,84-85 
Production, statistics of 238 
Prophyllite, nature of 25 
Pulaski County, clay industry in 178-179 
clays of 162-178 
analyses of. . . . 163, 165, 166, 167, 169, 17.5-176 
geology of 162 
kaolinite in 163 
analyses of 163 
sections in 164-165,167-1 73, 1 75 
Pulaskite, analysis of 21 
Quaternary clays, distribution of 43 
Quaternary rocks, character and distribu- 
tion of 19,43 
R. 
Ramsey clay, analysis of 87 
quality of 77 
Recto rite, nature of 25, 103 
occurrence of 103 
Red Bluff, clay industry at 119 
Red Hill, kaolin at, analysis of 141 
Red River, clays on 124,225 
Residual clays, analyses of 21 
formation of, process of 20-24 
nature of 20 
occurrence of, figures showing 21,22,23 
Revilee Creek, clays on 131 
Riley, W. C, analyses by 87 
Rocky Branch, clays on 52 
Rosevillc, clays near 130, 131 
Roseville ferry, clays nea r 101 
Ross Creek, clay on 199, 200 
Round Mountain, clays on 93, 94, 223 
clays on, analyses of 224 
coal on 224 
analysis of 224 
geology of 222 225 
sections through, figures showing 91, 225 
Rudy, clays near 67 
Russellville, clay indusl ry at 160 
clays under 158, 159 160 
coal near 157 
