INDEX. 
443 
Page. 
Coal, distribution of 257-259 
fuel ratios of, table showing 266 
publications concerning, list of 294-295 
Coal, anthracite, deposits of 257, 260 
Coal, bituminous, deposits of, Pennsylva- 
nia, geologic features of 270-275 
Coal Creek, Alaska, coal beds on 277-278 
gold mining on 48 
Coal fields of the United States, area of. 257-259 
Carboniferous 260-261 
Cretaceous 262-263 
development of 267-269 
distribution of 257-259 
geologic relations of 259-266 
investigations of 29-30 
markets for.... 267-269 
production of... 267-269 
Tertiary.... 263 
Triassic 261-262 
Coalinga district, California, petroleum 
deposits in '. 306-308 
Collier, A. J. , papers by 49-56, 276-283 
work done by. 92 
Colorado, asphalt deposits in 301-302 
coal fields in, area and production of. . 258 
copper deposits of 163-169 
ore deposits in, publications concern- 
ing 19-20,21 
petroleum deposits in 322-332 
work in... 25-26,30 
Colorado Creek, Alaska, gold mining on. . 48 
Columbia sands, Texas, character of 346 
Colvin, W., cited 58 
Connecticut, tungsten minerals in 20, 98 
Cook Inlet region, Alaska, gold mining 
in 48 
Copper, deposits of, Arizona 23-24, 133, 140 
deposits of, California 25, 1 23-132 
Colorado 163-169 
Maryland 183 
Montana 26-27,170-180 
New Jersey 182-183 
North Carolina 184-185 
Tennessee 185 
Utah. 31-48,105-122 
Virginia 183-184 
Wyoming 28, 94-97, 1.58-162 
publications concerning, list of 186 
Copper ores, platinum in, Wyoming 94-97 
Copper King claim, Alaska, ores at 146-147 
Copper King Mountain, Arizona,ores of. 1:39-140 
Copper Queen claim, Pearl, Colo., copper 
deposits at 167-168 
Copper Queen mine, Arizona, features 
of... 152-156 
Copper River Basin, gold deposits in.. 48,71-75 
Coronado mine, Arizona, ores of 139 
Cranberry district, North Carolina-Ten- 
nessee, iron ores in 243-246 
Crider, A. F., work done by 205 
Cristo, Cuba, manganese deposits near. 252, 253 
Crooked Creek, Tennessee, phosphate de- 
posits on 423 
Cub Creek, Tennessee, phosphate deposits 
on 424 
Cuba, manganese deposits of 251-255 
D. Page. 
Daggett, Cal., borax deposits near 402,403 
Dahlonega district, Georgia, geology of.. 58-59 
gold and py r ite deposits of 57-63 
literature of 57-58 
Dale, T. N., paper by 361-364 
work done by 29 
Dall River, Alaska, coal beds on. 278 
Dana, J. D., cited 298,299,300 
Death Valley, California, borax deposits 
in.. 403-405 
Diller, J. S., papers by 123-132,219-220,365 
work done by 25,30 
Ditney quadrangle, Indiana, coal beds 
in.. 284-290 
Dolomite, occurrence of, Kansas 200 
occurrence of, Missouri 200 
Douglas, Ariz., copper production at 153 
Douglas, E. M., work done by 31 
Drew mine, Yukon River. Alaska, coal 
mining at 279 
Dumble, E. T., cited^ 151 
Duryee, Edward, paper by 372-380 
E. 
Eckel, E. C, papers by 57-63, 221-231, 
382-391, 406-416, 424-425 
work done by 29,57-63 
Eckel, E. C, and Hayes, C. W., papers 
by.. 233-242,427-432 
El Paso, Tex. , tin deposits at 99-102 
tin deposits at, development of 101-102 
geological structure of 99-100 
ores and veins of 100-101 
Elaterite, features of •_ 299 
Eldridge, G. H., cited 324 
papers by 296-1321 
work done by 29,30 
Elkhorn mining district, Montana, report 
on ore deposits of 21 
Elliott Creek, Alaska, copper mining 
on 145-146 
Elmhur st, 111. , building stone at 358 
Emmons, S. F., cited 36,111,112,120 
paper by, on ore deposits, title and 
notice of 18 
papers by 15-28,94-97 
work done by 27-28 
Enargite, deposits of, Utah 114 
Encampment copper region, Wyoming, 
mineral resources of 158-162 
Etowah River, Georgia, ocher deposits 
on 4:30-431 
Eureka Creek, Alaska, placer gold on 51,55 
F. 
Fenneman, N. M., paper by 322-332 
Felsite, deposits of, Kentucky 212 
Fertilizers, manufacture of, from steel 
slag, methods of 225-227 
investigations of deposits of 418-426 
publications concerning 426 
Florida, fuller's earth deposits in 392-399 
work in 29,30 
Fluorite, deposits of, Kentucky 211 212 
Fluorspar, deposits of, Kentucky ... 26,205-213 
