None
Berkeley Springs, W. Va., glass sand at, analysis of , 456-457 Berkeley Springs Sand Co., glass sand of.. 474 Big Box Elder Creek, Mont., lignite on... 327-^29 section on 320, 327-329 Big Bug district, Ariz., copper of 103 Big Eight mine, Mont., description ol 48 Big Goose Creek, Wyo., coal near 304-305 gold on 308 Big Sandy River district, Ky.-W. Va., coal of 261-264 coal of, analyses of 262-263 Bighem basin, bentonite in 312-313 coal in 311-312 gas in 314 gypsum in 313^14 mineral water in 314-315 petroleum in 314 sulphur in 315 work in , 22 Bighorn Mountain region, asphaltum in 310 bentonite in 309 building stone in 309 coal in 303-307 copper in 308-309 gold in 307-308 gjrpsum in 309 limestone in 309 mineral resources of 303-310 I>etroleum in 309-310 ^osphate in 309 Bingham, Utah, copper ores of 121-123 gold and silver in 95 production of 123 treatment of 95 Birmingham quadrangle, Ala., coals of . . 211-222 See also Warrior coal basin. Bisbee district, Ariz., description of 99-100 Black Creek coal, character of 219-220 sections of 219-220 Black Prince mine, Idaho, ores of 136 Black sands, assay of 161 concentration of 160-164 gold and platinum in 152-159 investigation of 150-164 minerals in, table showing 152-156 samples of, collection of 151, 159-160 value of 164 Black Warrior River, Ala., coal on. 211-212 Blacktail mine, Idaho, description of 47 Blake, W. P., on black sands 150 Blakes Camp, Nev., ore deposits of 66 Bland ville, Ky. , clay at, analysis of 421 Bloseburg region, Ala., coal of, section of. . 214 Blue Creek coal, Ala., character of 217-218 sections of 217-218 Boaz, Ky., clay near, analysis of 421 Bodan coal mine, Wyo., section of.. 306 Boghead, Ky., coal at, sections of . . . 1 266-267 Bolan Creek, N. Dak., lignite on and near. 326-327 Bonanza, Wyo., petroleum near 310 Bonanza Circle mines, Ariz., development of 99-100 Bonanza Creek, Alaska, copper on 98 Book Cliffs coal field, Utah, coal of 293-302 coal of, analyses of 288,294 description of 289-290 faults and folds in 293 INDEX. 491 Page. Book Cliffs coal field, geology of 290-293 map of 290 sections in 291,297,299,300 work In 22 Borax, bibliography of 406 Bossburg, Wash., marble at 383 marble at, analyses of 383 Boutwell, J. M., on Park City district 15, 122 Box Canyon, Wash., limestone and clay from 382 analysis of 382 Bradley, Cal., coal near 223 Bradshaw Mountains, Ariz., description of. 103 Brea, occurrence and character of 359-360 Bricks, manufacture of 427, 431-432 Bridger Station, Wyo., oil well at 347 Bridger uplift, Wyo*. , copper on 309 gold in • 308 Brigham Young oil well, location of 342,349 British Columbia, iron ores of 196 Bromide district, N. Mex., ores of 81 Brooks mine, Colo., coal of 231 Brookwood coal, Ala., occurrence of 214 Buckhom mine, Mont. , description of 51 Bud Kimball Draw, Wyo., sections of.... 312,313 Buffalo, Wyo., coal near 306-307 coal near, sections of 306-307 Building stone and road metal, bibliogra- phy of 451 paper on 4^-450 Bull camp, Wyo., copper near , . . . 308 Bull Lake, Mont., rocks on '. 43-44 Bull River, Mont., mines on 51 Bullfrog district, Nev., work in 17-18 Bullfrog-George mine, ores of 62 Bully Hill belt, Cal., mines of 104-106 Burchard, E. F., on glass sand of middle Mississippi basin 459-475 on sand and limestone for glass mak- ing 452-458 work of 24 Buirgess Point, Mass., clays on ;. . . 440 Burgess ranch, N. Dak., lignite at 326 Burke formation, occurrence and character of 43,131 Burlington, N. Dak., lignite at, analyses of. 323 Bumside district. Pa., coal of 274 Burro Mountains, Nev., ores in... 83,118 Butte district, Mont., copper of 112-115 copper of, production of 112-115 silver and gold in 95, 112 smelting of 96, 113 See also Montana. Butcherknife Creek, Colo., coal of, analysis and section of 236 Butte copper district, description of, publi- cation of 15, 18 Butts, Charles, on Warrior coal basin 211-222 work of 21,204 Buxton formation, section of 470 C. Cabezon, N. Mex., coal near, sections of.. 251-252 Cabinet district, Montana, mines of, de- scription of 50 Page. Cabinet Mountains, character of 41 rocks of 43-44 Cactus Spring, Nev., ore deposits near 68 Calcite, veins of 36 California, black sands from, investigation of 160 coal in 223-225 copper in 104-106 gold and silver in 95, 104-105 production of 93, 104 smelting of 96 economic conditions in • 54 geography of 53 Inyo County, mines of 72-73 ironin 198 map of 54 minerals in 56-57 magnesite in 385-392 mining in 55,72-73 Monterey County, section in, figure showing 224 ore deposits of, character and occurrence of 55-57 petroleum in 357-361 railroads to 53 Shasta County, copper of 104-106 work in 18, 23, 198 Calkins, F. C, work of 41 Callahan Creek, Montana, lead-zinc mines on, description of 48 Calumet conglomerate, copper in 109-110 Cambrian rocks, occurrence of 41 , 57 Camp Seco belt, copper of 106 Campbell, H. D., aid of 21,183,185 Campbell, M. R., on Survey work on c»al in 1905 203-210 work of 22,203,206 Canada, copper ores of 96 Caney, Kans. , glass making at 460 section near 470 Canoe Ridge coal mine, production of 279 Carbon dioxide, manufacture of 391 Carbonero Junction, Colo., coal near, sec- tion of 244 Carboniferous rocks, occurrence of 41 Carter coal, Wyo., analysis of 340 occurrence of 337,349 Carter oil spring, Wyo., location of 343,349 Cape Cod, clays of 432-441 clays of, character of 434-435 description of 435-441 geology of 432-434 Cashin, Colo., rocks at 125-126 section near 125 Cashin mine, Colo., description of 125-128 ores of 126-128 production of 125 Cassa Mining Co., Wyo., bcntonite of 447 bcntonite of, analyses of 446 Castlegate mine, Utah, coal of 296-297 coal of, analyses of 294 Castle Valley, Utah, shale of, character of. . 291 Catletts Creek, Ky., coal on, section of 263 Catoctin schist, copper in 143 occurrence of 140 492 INDEX. "Page. Cave Canyon, Cal., iron ores of 198 Cebolla district, Colo., iron ores of 196, 197-198 Cedar Canyon, Utah, coal of 299 Cedar Mountain, Ark., clays from, analyses of 409 Cement, Portland, bibliography of 384 manufacture of 400,431 papers on 374-383 See also Tennessee; Virginia; Washing- ton; Cumberland Gap. Cements, Portland, natural, and puzzolan, bibliography of 384 investigation of 23 papers on 374-383 Central district, N. Mex., copper of 118 Channlng, J. T., on tenor of Arizona copper ores .1 95 Chanute, Kans., glass making at 460 Chapman, Pearson, map by 35 Chapman, R. H., work of 18,53 Chatham region, Mass.. clays of 438-439 Chattanooga shale, occurrence of 173, 375 Cherokee Creek, Kj. , coal on, section of 268 Cherry Creek, N. Dak., section near 319 Cherryvale, Kans. , glass making at 460 Chicago Creek, Colo. , gold on 36-39 Chickamauga limestone, occurrence of 173 Chico Arroyo district, N. Mex., coal of. . . 251-252 Chiles Valley, Cal., magnesite near 388-389 magnesite near, analysis of 390 Chloride, Idaho, history of 46 Chloride Cliff, Cal., ore deposits at 72-73 Chromite in black sands, occurrence of. . . 152-156 Chromium, bibliography of 165 Chrysocolla, occurrence of 71 Chugwater formation , gypsum in 309, 313 section of 313 Clapp, F. G., on Nineveh and Gordon oil sands. Pa 362-367 work of 362,432 Clark, Samuel , on Weber River coal 286 Clays, analyses of 407-409, 430 bibliography of 448 papers on 407-447 utilization of 426-427,429-431 See also Shales; Arkansas; Kentucky; Maine; Massachusetts; Penn- sylvania; Tennessee; Wyoming; Penobscot Bay region; . Cape Cod; Laramie basin. Clays, ball, occurrence and character of. . 423-424 Clays, flint, analyses of 412 Clay ton, W., on Brigham Young oil spring. . 342 Clear Creek, Colo., gold on 36-38 Clear Creek, Wyo., coal near 306 Clear Creek mine, Utah, coal of 298-299 analysis of 294 Clearfield coal field. Pa., coal of 271-275 geology of ; 271-275 map of 272 production of 275 Clifton-Morenci district, Ariz., description of 101-102 See also Morencl. Clinton Iron ores, analyses of 181 bibliography of 181 Page. Clinton Iron ores, character of 173 descriptions oL. . . 173-179, 180-181, 183, 187-188 origin of 172-173 Cloud Peak, Wyo., gold near 308 Cloverly formation, coal in 311 gypsum in 313 section of 313 Coal, analyses of 221-222, 229-234, 236-238, 258, 263, 288, 294 analytic work on 206-207 bibliography of 364-366 character of 221 classification of 206 investigation of 22-23, 203-210 mining of 220 occurrence of 79 papers on -. 203-354 production of 203 sampling of 206-208, 229 sections of 214-220,227, 229-231, 233, 236, 243-257, 262- • 263,265-269,286,297,300,311,312 See also Alah&ma.; California; Colorado; Kentucky; Montana; New Mexico; North Dakota; Penn- sylvania; Utah; Warrior coal basin; Mount Diablo Range; Yampa field; Engle field; Du- rango-Gallup field; Kenova quadrangle; Bear Creek field; Clearfield field; Punxsutaw- ney field; Glen Campbell field; Weber field; Book Cliffs field; Bighorn Mountains; Bighorn basin. Coal, anthracite, occurrence of 22, 236-239 See also Yampa field. Coal Canyon, Utah, coal of 296 analyses of 294 Coal, lignite, and peat, bibliography of . . . 354-356 papers on 203-354 Coal Measures, clays of 411-416 shales of 375-376 analyses of 376 Coal-mining machines, use of 279 Coaldale; Ala. , coal at, section of 219 Coal-testing plant, distribution of coals tested at 209 work at 22,203,206-210 CoalvUle, Utah, coal at 285-288 coal at, analyses of 288 Cobb coal , occurrence and character of 214 Cody, Wyo., coal at, section of 311 Cody Coal Company, mine of 311 Cody Hot Springs, Wyo. , waters ot ., 314 Coeur d'Alene region, Idaho, work In 18 Coeur d'Alene series, description of. 43 occurrence of 41 Coffey vllie, Kans. , glass making at 460 Collier, A. J., on copper on St. Joe River, Idaho 12^139 work of 18,129 Colorado, coal In 204-206, 226-239, 241-247 coal in, analyses of 229-234, 236-238 location of, maps showing 226, 242 copper In 106-107,125-128 INDEX. 493 Page. Colorado, copper in, gold and silver in 95 copper in, occurrence of 2&-27, 34 production of 93, 107 faulting in 36 geology of 226-228, 402 gold and silver in 25-40 discovery of 37 gravels in 31 gypsum deposits of 401-403 location of , map showing 401 sections of 402-403 hot springs in 38 hydraulicklng in 31, 33 iron ores of 196-198 minerals in 26, 37 oces of, description of 26-27, 37-40 placers of 31-32, 36 I)orphyry of, gold in 32 railroad construction in 33 rocks of 25-26, 29-32, 34-36, 227-228 Routt County, coal field of 226-239 sections in 32-33, 227, 229-231, 233, 236, 242 structure of 226-227 - telluride ores in 26-27 veins in 32-33, 38-39 volcanic ash in 476-478 work in 17-18,22,204 Colorado group, coal in 285, 311 oil in 314 Colorado Plateau, rocks of 28-29 Colton, Utah , ozokerite near 369, 370-371 Columbia River, Oreg., sands from mouth of, investigation of 159-160 Columbus, Ky., clays at 420 analysis of 421 Colville, Wash., marble at 382 analysis of 382 Conglomerates, occurrence of 36 Conjecture mine, Idaho, ores of 46-47 Connellville mine, Utah, coal of 300 Consolidated Coal Co., N. Dak., lignite of, analysis of 323 Copper, bibliography of 97, 144-145 imports and exports of 94 mines of, location of, map showi ng 94 I>apers on 93-145 prices of, figure showing 94 production of 93-94, 203 figure showing 94 Copper deposits, classification of 96-97 description of 93-145 investigation of 17 occurrence of 34, 37,39,47-48,55-73,79,81-86,308—309 See also Arizona; California; Colorado; Georgia; Idaho; Michigan; Mon- tana; North Carolina; Nevada; New Mexico; Oregon; Tennessee; Utah; Viiiginia; Washington; Wyoming; Cashin mine; St. Joe River basin; Luray. Copper ores, character of 97-124 classes of 96 gold and silver in 94-95 Copper Queen mine, Ariz., production of . . . 99 Copper Range, Mich., ores of 110 Copperopoiis belt, Cal., ores of 106 Ball 285—06 32 Page. Court, J. G., ore discovered by "58 Cordingly Canyon, Utah, coal of 296 Correlation of oil sands, table of 363 CosgrifF's pit, Wyo., bentonite of 447 bentonite of, analysis of 446 Cottonwood Canyon, Utah, coal oL 301 Cottonwood Creek, Wyo., coal on. 311-312 coal on, section of 312 Covington, Va., iron ores at.*. 186-187 section at 186 Craig district, Colo., coal of. 235 Crain, H. E., work of ItiO Crandall Canyon, coal of 298 Crawford tract, Cole, coal of 237-238 coal of, analyses of 237-238 Creston quartzite, occurrence and character of 43,49 Cretaceous rocks, clays in, occurrence and character of 418-419 coal in 280 occurrence of 41 Crider, A. F., on clays of western Kentucky and Tennessee 417-427 work of 417 Cripple Creek, Va., iron ores of. See New River, Cripple Creek district*. Crooked Creek, Ala., coal near, section of. . 216 Cross, Whitman, work in charge of 125 Crudup, Ala., iron ores at 177 iron ores at, analysis of 177 Cryolite, bibliography of 171 Crystal City, Mo. , glass making at 460 glass sand at and near 468-469 analysis of 456-457 Cumberland Gap district, Tenn.-Va., cement resources of 374-376 limestone in, analyses of 375 section in 374 shale in, analyses of 375-376 work in 23 Cuprite, Nev., ore deposits of 59-61 Cush Creek coal field, Pa. See Glen Camp- ^ bell field. D. Dakota Lignite and Brick Co., N. Dak., lignite of, analysis of 323 Dakota formation, occurrence and charac- ter of 30,125 Dale, T. N.,on new variety of Maine slate. 449-450 work of 24, 449 Danleyton, Ky., coal at, section of 266 Darton, N. H., on mineral resources of Bighorn Mountain region 303-310 Dawson, E. M., jr., work of 21 Day, D. T., and Richards, R. H., on black sands 150-164 De Smet formation, coal In 306-307 De Wolf, F. W., work of 204,362 Deadman Canyon, Utah, coal of 296 Dead wood formation, gold in 307 Deciilion mine, Nev., description of 71 Deep Creek Lake, Wash,, iron ores near 195 Deer Creek, N. Dak., lignite near, section of. 325 Dennis region, Mass., clays of 439 Devonian rocks, iron ore in 180 494 INDEX. Page. I>exter coal, occurrence and character of . . 287-288 section of 287 Diabase, occurrence and character of 132 Diamond Coal and Coke Co., Wyo., coal of, analysis of 339 mine of 337 Diamond mine, N. Dak., lignite of, analyses of 323 Diamondvilie, Wyo., coal at 337 Dickinson, N. Dak., lignite at, analysis of. . 323 Dickinson Brick Co., N< Dak., lignite of, analysis of 323 Dietz, Wyo., coal near", section of 303-304 Diller, J. S., on California copper 104-105 Diorite, gold in 56 Dirtseller Ridge, Ala., iron mines on 178-179 analyses of 179 Dolly Ann mine, Va., iron ores of 186-187 analysis of 187 Dolomite, occurrence and development of. 397-399 Dolores formation, occurrence and char- acter of 125-126 Donnely, S. P., ores discovered by 46 Douglas, Ariz., smelting at 99 Draper Mountain, Va. , iron ores at 193 Dry Creek district, Colo. , coal of 233 coal of, analysis and section of 233 Ducktown (Tenn.) copper belt, ores of 107, 119-120 ores of, smelting of 96, 120 Dugout Canyon, Utah, coal of 295 coal of, analysis of 294 Durango, Colo. , coal near, analysis of 258 coal near, sections of 244-246 volcanic ash near 476-478 Durango district, Colo., coal of 243-244 coal of, analysis of 258 sections of 243-244 Durango-Gallup coal field, Colo.-N. Mex., coal of 242-258 coai of, analyses of 258 description of 241-258 geology of 242 map of 242 work In 22 Dutton, C. E., on High Plateaus of Utah . . 88 E. East St. Louis, 111., glass making at 460 Eastern Kentucky Railroad district, coal of 267-268 coal of, sections of 268 Eastham region, Mass. , clays of 437 Eckel, E. C, on cement resources of Cum- berland Gap district 369-371 on clays of Garland Co. , Ark 407-410 on iron ores and nonmetalliferous min- erals 20-24 on iron ores of northern Alabama 172-179 on Oriskany and Clinton iron ores of Virginia 18^189 work of 21,23,183-184 Economic investigations, publications on. . 7-13 Eddy district, Colo., coal of 230-231 coal of, analysis of 230 section in 230 Pagei Eden, Nev., ore deposits of 66 Eleanora mine, Pa. , production of 279 Electric mine, N. Dak., lignite from, analy- ses of 323 Elk Mountains, Colo. , iron ores in 196-197 Elk Run mine, Pa. , production of 279 Elkheaji Creek, Colo. , coal field on 239 Elkhead Mountain; Colo., rocks of 29 Ely, Nev., copper ores of, treatment of 95 Ely-Young tunnel, Colo., description of 33 Emery mine, Utah, coal of 301 coal of, analysis of 294 Emmons, S. F., on copper in Red Beds 127 on investigation of metalliferous ores,. 14-19 on lead and zinc ores 169 work of 28, 56 Emmons, S. F., and Irving, J. D., report of, on Leadville district 15-16 Emmons, W. H., on Bear Creek, Colo., ore deposits 25-27 on Cashin mine, Colo 125-128 work of 18, 125 Encampment district, Wyo., description of 122-123 Engle coal field, N. Mex. , description of 240 Erskfti mine, Wyo. , coal of 312 Evanston, Wyo., coal near 338 oil well near 347 Evanston formation, coals of 341 coals of, analyses of 341 F. Falmouth region, Mass. , clays of 440 Farwell Mountain, Colo., cross section of, figure showing 29 ores of 33 rocks of 29 Fenneman, N. M., work of. 204 Fenneman, N. M., and Gale, H. S., on Yampa coal field 226-239 Ferriferous limestone, clays associated with 413-415 clays associated with , sections of 413-41 4 Ferron Canyon, Utah, coal of 301 Fertilizers, mineral , bibliography of 486 Fish Creek, Colo., coal on 232 Fisher, C. A., on Bear Creek coal fields... 269-270 on mineral resources of Bighorn basin 311-315 work of 206,269 Fisher River, Mont., mines of, description of 50 Florence coal mine. Pa., production of. . . 278-279 Florida-Goldfield Mining Co. , mine of 61 Florida Mesa, Colo., volcanic ash on 476-477 Folios, geologic. See Geologic folios. Foothill copper belt, Cal., copper ores of. 104, 106 Forks, Me., slate of, description of 449-450 Fort Payne, Ala. , iron ores at 175 iron ores at, analyses of 176 sections at 175 Fort Payne chert, occurrence of 173 Fortification Creek, Colo. , coai field on 239 Fossil, Wyo., oil wells at and near... 347-348,349 Fox Hills sandstone, occurrence of 317 France, copper in, production of 94 Franklin Furnace quadrangle, N. J., work in 17,21 INDEX. 495 Page. Franklin Mountains, Tex., description of .. 146 geologic map of 147 granite of, analysis of 147 tin in 147-148 ores of 14&-149 rocks of 146-148 tin of 17,19,146-140 Fredonia, Kans. , glass making at 460 glass making at and near 470-471 Freeland mine, Colo., ores in 39 Frisco, Utah, postponement of work at 19 Fruitland district, coal of 256-257 coal of, analysis of 258 sections of 256-257 Fuel-testing plant. See Coal-testing plant. Fuller, M. L. , on clays of Cape Cod 432-441 work of 432 Fuller's earth, bibliography of 448 G. Gabbard, John, ores discovered by 68 Gadsden, Ala., iron mines at and near 178 Gale, A. H., work of 169-160 Gale, H. S., on Hahns Peak gold field 28-34 work of 17, 204 Gale, H. S., and Fenneman, N. M., on Yam- * pacoalfield 226-239 Gallina district, N. Mex., coal of 249-250 coal of, sections of 250 Gallup district, N. Mex., coal of 254-255 coal of, analyses of 258 sections of 254-255 See also Durango-Gallup coal field. Gardiner clay, character of 434 Garnet in black sands, occurrence of 152-156 Garrey, G. H., work of 18,35,55 Garrey, G. H., and Spurr, J. E., on Idaho Springs mining district, Colo... 35-40 Gas, investigation of 23 occurrence of 314, 361 use of, in glass making 460-461 Gas and petroleum, bibliography of 367-368 papers on 357-366 Gaylesville, Ala., iron mines at and near. . 178-179 General Thomas mine, Nev., description of. 57-58 Geologic folios, list of 8-13 price of 8 Geological Survey, U. S., publications of. . . 7-14 Georgetown quadrangle, Colo., investiga- tion of 35 Georgia, copper in 107 copper in, production of 93, 107 work in 21 Germany, copper in, production of 94 Gilmore, Tenn., clay at 424-425 clay at, analysis of 425 Girty, G. H., fossils determined by 167 Glass, composition of 453 production of 459 Glass making, economic considerations in 459-4C0 materials for, bibliography of 452 papers on 452-475 value of. . . -. 459 Glass sand, analyses of 454-457 bibliography of 452 Page.. Glass sand, investigation of 24 production of 452 quarrying of, economic considerations in 472 requirements of 453-454 Glen Campbell field. Pa., coal of. .....!.. . 277-278 See also Punxsutawney and Glen Camp- ' bell fields. Glendive, Mont., lignite near, section of . . . 328 Globe district, Ariz., description of 100-101 Gold and silver, bibliography of 91-92 papers on 25-91 yield of, from copi)er mines 94-^6 See also Colorado; Idaho-Montana; Nevada-California; New Mexico; Utah; Bear Creek; Hahns Peak; Idaho Springs; Annie Laurie mine. Gold Belt, Cal ., ore deposits at 73 Gold Bug mine, Colo., history of 25 workings of 26-27 Gold Crater, Nev., ore deposits at 69-70 Gold Crest Mining Co., mines of 63 Gold Hill district, N. C, copper in • 115-116 Gold in black sands, occurrence of > 152-156 Gold Mountain district, Utah. See Annie Laurie mine. Gold Mountain vein, Idaho, description of. . 137 Goldfield district, Nev., work in 17-18 Goldfield - Midway - Bullfrog Mining Co., mines of 59-60 Goldfield mine, Mont., description of 49 Goldreed mine, Nev., ores of 67 Good Hope mine, Colo*, minerals in 26 production of 25 Goodwin, F. W., work of. 129 Gordon, C. H., work of 19,74,84 Gordon and Nineveh oil sands. Pa., identi- fication of 362-366 Grainger formation, shales of 375 shales of, analysis of 375 Grampian district. Pa., coal of , 274 Grand Canyon, Ariz., copper mine near 100 Grand Junction, Tenn., clay at 426 Graneros shale, bentonite in 446 Granite, gold in 55-56 investigation of 24 occurrence of 44, 78, 132 tin in 147-148 Granite Fall, Wash., limestone and shale near 380 analysis of 380 Graphite, bibliography of 484 deposits of, description of 480-483 investigation of 24 origin of 482 Grass Creek, Utah, coal on 287 Grasty, J. S., work of, 21, 183-184 Graton, L. C, work of 19 Graton, L. C, and Lindgren, W., on mineral deposits of New Mexico 74-86 Grays Summit, Mo., glass sand at 467 glass sand at, analysis of 456-457 Great Basin region, work in 18 See also California; Nevada. Great Britain, copper in, production of 94 Great Cacapon, W. Va., sand quarries at. . 475 Great Northwestern mine, Mont., descrip- tion of 49 496 INDEX. l*age. Qreen River, Utah, coal on. See Book Cliffs coal field. Oriswold, W. T., work of 23 Grouse Moontaln, Mont., lead-silver mines at, description of 49 Onnnison River, Colo., gypsum on •401-403 gfypsum on, sections of 402-403 Gwin coal, Ala., occurrence of 214 Gypsite, occurrence of 405 Gypsum, analysis of 314, 405 bibliography of 406 investigation of 24 occurrence of 309, 313-314, 401-405 sections of 313,402-403 See also Colorado; Wyoming; Laramie district; Uncompahgre region. Gypsum and plasters, bibliography of 406 papers on 401-405 H. Hachita Range, N. Mex., rocks of 83 Hadley, "Alaska^ copper mine at 97-98 Hahns Peak gold field, Colo., copper at 1 . . . 34 cross section of, figure showing. .... 29 description of 28-34 developments at 32-33 gold of 31-32 hydraulicking at 31, 33 geologic map of 28 map of 30 placers of 31-32 railroad construction near 33 rocks in 29-31 study of 17 veins in 32-33 Hamilton mine, N. Mex., ores of 81 Hams Fork, Wyo., coal on, analyses of 340 Hams Fork coal field, Wyo., work in 22 Hancock, Md. , sand quarries at 475 Happy Hooligan mine, description of ^ 72 Harder, E. C, work of , 199 Harkness, Tenn., shales at, analyses of 376 Harney Creek, Wyo., gypsite on 405 Hartville, Wyo., iron ores near... 194-195,199-200 Harwich region, Mass., clays of 439 Hayden Gulch, Colo., coal of 234 Hayes, C. W., introduction by 7-J3 work of 174, 203 Heart River, N. Dak., lignite on, analysis of. 323 Hematite, occurrence of 183, 195 Hess, F. ly., on magnesite deposits of Cali- fornia 385-392 work of 160 Hickman, Ky., clays uear, analysis of 421 Hidden Treasure mine, Idaho, ores of 46-47 High Knob, Va., copper at 142 Highland Light, Mass., clays at 434-436 Hllllard Flat, Wyo., petroleum wells at and near 342-345, 349 petroleum wells at and near, relations of Spring Valley wells and, sec- tion showing 350 Hodges Pass, Wyo., coal at and near 337-338 Holden, R. J., on brown ores of New River- Cripple Creek district, Va 190-193 work of 21,183 Hollow Rock, Tenn., day at 419 Holmes, J. A., work of 203, 206 Hope, Idaho, copper near 48 Hopewell district, N. Mex., ores of 81 Horse Canyon, Utah, coal of 295 coal of, analysis of 294 Horse Mountain, Va., iron at, development of 187-188 Horswell, M. J., aid of 224 Horton, F. W., work of 157 Hosta Butte district, N. Mex., coal of 252-254 coal of, analysis of 258 sections of 253-254 Hot Springs Mountain, Ark., clays on, analysis of 407, 409 Howard ranch, N. Dak., lignite near, sec- tion of 328 Hughes siding, Ala., coal near, section of . . . 220 Huntington Canyon, Utah, coal of 29^300 coal of, analyses of 294 section in 299 Hutchinson mine, Colo., coal of, analysis of. 230 Hutton Lakes, Wyo. , bentonite at 447 I. Idaho, copper in 107-109, 134-136 copper in, gold and silver in , 95 occurrence of 47-48 production of 93, 107 economic features of 41-52 gold in 136-138 gravels In 44 lead-silver ores in 133-134 map of 42 mineral resources of 44-48 placers in 44 rocks in 41-44 silver lead In 45-48 volcanic ash from, analysis of 477 work In 18-24 Idaho Springs mining district, Colo., de- scription of 35-40 faulting in 37 geology of 35-38 hot springs in 37 investigation of 18 minerals at 38 placer deposits of 35-38 ores of 38-40 rocks near 35-38 Igneous rocks. Importance of 168-169 occurrence and character of.t. 2^30, 42,44,55,78,132 Illinois, glass sand from 461, 464-465 glass sand from, analyses of 456-457 Imperial Copper Co., mine of 102 Independence, Kans., glass making at 460 Indian IIlll, Mass., clays at 440-441 Indiana Co., clays of 444 Indlo, Ala., coal at, section of 219 Iridium, occurrence of 150 Iridosmium, occurrence of 150 Iron, pig, cost and production of 184,203 Iron and manganese, papers on 172-202 Iron Cap mine, Montana, description of 49 Iron Gate, Va., iron ore from, analysis of. . 188 INDEX. 497 Iron Gate, Va., section at, figure showing. . 185 Iron Mountain belt, Cal., mines of 104-105 Iron Mountain mine, Cal., copper of 105 Iron Mountain mine, Mont., description of. 51-^52 Iron ores, bibliography of 187; 180, 201-202 character of 180-181, 184-188, 194-200 development of 181-182, 187, 194 occurrence of 180-189, 194-200 investigation of 20-21 production of 184, 194 See also Alabama; California; Colo- rado; Kentucky; Virginia; Utah; Washington; Wyoming; Clinton ores; Oriskany ores; New River-Cripple Creek dis- trict; British Columbia. Irving, J. D., and Emmons, S. F., report of, on Leadville district- 15-16 Irvona district, Pa., coal of 273-274 Italy, copper in, production of 94 I vie Creek Canyon, Utah, coal 301 J. Jackson, George, gold discovered by 36, 38 Jackson Diggings, Colo., gold at 37-38 Jacob formation, clays of 434-435 J agger coal, Ala., character of 218 section of 218 James mine, Colo., coal of, sections of 229 Jefferson coal, character and sections of — 219 Jenney, E. M., on lead deposits 168 Jerome district, Ariz., copper at 99, 103 Jicanlla district, N. Mex., ores of 84 Jim Creek, N. Dak., lignite on and near 327 Johannsen, Albert, petrographic descrip- tion by 29 Johnson mine, Utah, coal oL 301 June Bug mine, Idaho, description of 47 K. Katz, F. J., workof 199 Kansas, glass sand in 462-463, 470 analyses of '. 462-463 glass making in 460 Kawich, Nev., ore deposits of 67-68 Keep Cool mine, Idaho, ores of 46-47 Kelly Creek, Wyo., gold on 307-308 Kemp, J. F., workof 159-160 Kenmare, N. Dak., lignite at, analyses of . . 323 Kemmerer, Wyo., coal at 337 coal at, analysis of 339-340 Kemmerer Coal Co., mine of 337 Kendall, Wash., limestone and clay near. . . 379 analysis of 379 Kenova quadrangle, Ky.-Ohlo-W. Va., coal of . , 261-268 description of 259-268 geology of 25^261 map of. 260 Kentucky, Bath County, iron ores of 180-182 brick production in 427 clay mines in 427 clays of 411-421 analysis of 411-412,415 . location of, map showing 418 production of 426-427 sections of 413-414 Page. Kentucky, coal of 204,259-268 sections of 262-263,265-268 geology of 417-418 iron ores in 180-181 map of part of 260 stoneware produced in 426 work in 21-22, 204 Keweenaw Peninsula, Mich., copper mines of 110 Keystone mine, Cal., copper ores of 106 Keystone mine, Mont., description of 49 Keswick, Cal., copper of 105 Killdeer Mountains, N. Dak., lignite near. . 327 Kiln brick, clay for, analyses of 412 Kimberley bank, Colo., coal of 236 Kimberley- Watts region, Ala., coal in, sec- tion of 219 Kindle, E. M., on iron ores of Bath County, Ky , 180-182 work of 21 Klondike, Mo ., glass sand at 466-467 glass sand at, analyses of 456-457 Knight, Wyo., oil well near 345 Knowlton, F. II., fossils determined by 281 Knox limestone, occurrence of 173 Kroupa, R . J ., development by 370 L. La Forge, M. L., on Georgia copper 107 La Plata formation, occurrence and charac- ter of 125-126 La Sal Mountains, reconnaissance in 18, 125 Lacey-Buek Iron Co., mines of 177 Lake Pend Oreille district, copper in 47-48 historyof 46-47 mines of, description of 46-47 production of 47 Lake ton, Ky., clay near, analysis of 420 Lakeview district, Idaho. See Lake Pend Oreille district. Lakes, Arthur, on General Thomas mine . . 57 Lake Superior district, iron ores of. 20-21 Laramie, Wyo., gypsite near 405 Lamartine mine, Colo., ores of 37-38, 40 Lake Superior, copper ores of 109-111 copper ores of, production of 109 smelting of 96 Landes, H . C ., on cement resources of Wash- ington 377-383 work of 160 Langley , B . F ., gold discovered by 36 Laramie basin, WyoT, bentonite in 447-448 Laramie district, Wyo., gypsum of 404-405 Laramie formation, coal and lignite in.. 227-228, 239,283,290,292,302-307,311,317-330 coal and lignite in, analysis of 341 description of. 291-293 occurrence of 317-321 sections of \ 317-^320 Larsen mine, Utah, coal of 300 analysis of 294 Lay district, Colo., coal of. 235 Lazeart mine, Wyo., coal of 338 coal of, analysis of 339 Leaching, methods of 127 Lead, bibliography of 170 occurrence of 37, 46-47, 52, 79-80, 84, 132 Lead-silver ores, description of 133-134 498 INDEX. Page Lead-silver ores, occurrence of 132 Leadville district, description of, publica- tion of 15-16 ores of 169 Lee, L. A., aid of 449 Lee, W. T., on Englecoal field 240 work of 206 Lehigh mine, N. Dak. , lignite of, analysis of. 323 Leith, C. K., on iron ores of western United States and British Columbia. 194-200 work of 21, 199 Leonard, A. G., on North Dakota-Montana lignite area 316-330 work of 206 Lewis, T. J., on Weber River coal 286 Lewis and Clarke Exposition, black sand investigation at 160 Lewisburg, Ala. , coal at, section of 216 Lick Creek, Ky., coal on, analysis and sec- tions of 262-263 Lida, Nov., ore deposits of 61-^ Lignite, i>eat, and coal, bibliography of. . 354-356 papers on 203-354 Lignites, brown, analyses of 322, 323 occurrence of 321-330 value of 22-23 Lime, investigation of 23 manufacture of 45,47,393-400 X)aper on 393-400 See also Maine. Lime and magnesia, papers on 385-400 Lime Point, Nev., ore deposits of 62 Limestone, analyses of 375, 378-383, 400, 458 gold in 56 Investigation of 23 occurrence of 309 requirements of, for glass making 458 Limonite, occurrence and character of. 190-193, 195 Lindgren, Waldemar, on Annie Laurie mine, Utah 87-90 on Arizona copper 102 on Bitterroot Range 132 on Oregon copper 119 work in charge of 16, 19 Lindgren, W., and Oraton, L. C, on mineral deposits of New Mexico 74-86 Linscott 's pit, Wyo. , bentonite in 447 bentonite in, analysis of 446 Litchfield, III., glass making at 460 Little Clearfield Creek district, Pa., coal of. 274 Little Mahoning Creek district. Pa., coal of. 278 Little Mat tie vein, Colo., description of 37-38 Little Sandy River district, Ky., coal of. . 266-267 coal of, sections of 266-267 Littleton, Ala., coal at, section of 216 Livermore, Cal., magnesite near 387-388 magn^esite near, analysis of 390 mercury near 388 Locke, C. E., work of 157 Logan clay. See Sciotoville clay. Lone Mountain, Nev., mines at 57-58 Lonsway mine, Nev., description of 71-72 Lookout Mountain district, Ala., work in. . 21 Lookout Mountain Iron Co., mines of. . . . 174-175 Loon Creek, Idaho, copper ores of 108 Lord, N. W., work of 206 Pa«re. Los Angeles, Cal., oil field near 357-361 Los Pinos River district, Colo., coal of... 244-246 coal of, analysis of 258 sections of 246-246 Lot No. 20 mine, Ga., ores of 107 Loughridge, R. H., on Porters Creek clay. . 420 Louisville and Lexington Railroad district, coal of 264-2G6 coal of, sections of 265 Lovelace ville, Ky., clay near, analysis of. . . 421 Lowmoor, Va., iron ore at, analyses of 188 development of 187-188 Lumberton, N. Mex., coal of, section of 248 Luray, Va., copper deposits near 140-143 rocks near 140-141 M. McCalley, Henry, work of 211 MacDonald, D. F., on economic features of northern Idaho and northwest- em Montana 41-52 work of 18, 41 McCroskey mine, Colo., coal of, analysis and section of 231 McDonald, H. L., work of 205 McElmo formation, occurrence and charac- ter of 125 McLellan ranch, N. Dak., lignite near, sec- tion of 324 Mackedon, Joseph, on Tokop mines 63 Madera-Irvona district, Pa., coal of 273-274 Madrid, Me., graphite near 480-481 Magdalena Range, N. Mex., ores of 84 Magdalena Mountains, N. Mex., oreiB of 169 Magnesia and lime, papers on 385-400 Magnesian limestone, occurrence and devel- opment of 397-399 Magnesite, investigation of 23 occurrence of 385 Magnesite deposits of California, analyses of 390,391 burning of 391 composition of , 385-386 description of 386-390 uses of 385-386,391-392 Magnetite of Franklin Furnace quadrangle, study of 17 in black sands, occurrence of 152-156 occurrence of 1 83, 196, 198 Maine, clays of 428-431 clays of, analyses of 430 geology of 428-429 utilization of 429-431 graphite in 480-483 description of 480-482 economic considerations concern- ing 482-483 origin of 482 Knox County, lime industry of 393-400 lime of, production of 395 limestones of 396-399 Maine Graphite Co., Me., grapbite of 480-481 Mammoth mine, Cal., copper of 106 slate in, description of 449-450 work in 23-24 Manganese, bibliography of 201-202 INDEX. 400 Page. Manganese, investigation of 21 Manganese and iron, papers on 172-202 Manning's ranch, N. Dak., lignite near 327 Marble, analyses of 382-383 Mary Lee coal, occurrence and character of 215-217 sections of 216 Maryland, glass sand from 461 Marysvale, Utah, gold mines at 19, 90 Massachusetts, clays of 432-441 clays of, character of 434-435 description of 435-441 geology of 432-434 Mayfield, Ky., clay at, analysis of. 421 Medora, N. Dak., lignite near 323-327 section at 317 Mercury, bibliography of 165 occurrence of 90, 388 Metalliferous ores. See Ores, metalliferous. Mica, bibliography of 484 Michigan, copper in 109-111 gold and silver in 95 production of 93,97, 109 Michigan-Wyoming Oil Co., coal of, analy- sis of 339 Midland Glass Co., Kans., glass making by. 460 Midway, Utah, ozokerite near 369, 371 Mikkleson, N. Dak., lignite near 326 Milburn, Ky., clay near, analysis of 421 Miles City,^ Mont., lignite near 329 Mill Iron ranch, Mont., section at 320 Miller Canyon, Utah, coal of 299 Miller Oulch, Colo., coal of, analysis of 238 Mineral deposits, papers on 7 Mineral resources, publications on, improve- ment of 16 Mineral water, analysis of 315 occurrence of 314-315 Mineral wax. See Ozokerite. Minerals, nonmetalliferous, investigation of 20, 22-24 Minnie D. mine, Colo., description of 32, 33 section at 32 Minot, N. Dak., lignite of, analysis of 323 Miocene sandstone, coal in 223 Mississippi Valley basin, glass sand in . . . 459-475 lead and zinc ores in 168-169 work In 17, 24 Missoula River, Mont., mines on 51-52 Missouri, glass making in 460, 466-469 glass sand in 461, 464, 469-470 analyses of 456-457, 462-463 Missouri Silica Co., glass sand of 468 Mogollon district, N. Mex., copper in 118 Monazlte In black sands, occurrence of . . . 152-156 Monero district, N. Mex., coal of 247-248 coal of, analyses of 258 sections of 247-248 Monitor mine, Idaho, ores of 135 Monkers <k Mather's coal mine, Wyo., sec- tion of 307 Montana, coal in 205, 269-270 coal in. See also North Dakota-Mon- tana lignite area. copper in 111-115 gold and silver in 95,111-112 Paget Montana, copper in, production of 93, 111-113 copper in. See also Butte. economic features of 41-52 gravels in 44 lignite in. See North Dakota-Montana lignite area. map of 42 mineral resources of 44-45, 48-^2 placers in 44 rocks in 41-44 silver lead in 48-52 work in 18, 22-23, 205 Montana formation, coal in 227-239 coal in, analyses of 341 Montana Fuel and Iron Co., coal of 270 Montana-North Dakota lignite area. See North Dakota-Montana lignite area. Montana Standard Co., mines of, descrip- tion of 51 Montauk drift, clays of 435 Montezuma, Nev., ore deposits at 58-59 Montezuma Mountain district, Colo., coal of '. 246-247 section of 247 Monument River, Mass., clays on 440 Monzonites, gold in 5&-57 Mooyie River, Idaho, gold placers on 44 Morague Mountain, Ala., iron ores on 177-178 Morenci, Ariz., copper ores of 101, 102 copper ores of, treatment of 95 See also Clifton-Morenci district. Morgan's ranch, N. Dak., lignite near 326 Morris, Ala., coal near, sections of 216,217 Morrison formation, section of 313 Morrison mine, Utah, coal of, analysis of . . 284 coal of, section of 283-284 Moshannon basin. Pa., coal of 271, 273 Mother lode, Idaho description of.*. 138 Mountain Valley, Ark., clays from, analyses of 409 Mount Diablo Range, Cal., coal in 224-225 coal in, analyses of 224 geology of 223-224 section of, figure showing 224 Mouse River Lignite Co., lignite of, analyses of 323 Muddy Creek, Utah, section of 291 Muddy Run district. Pa., coal of 273 Munn, M. J., woTk of 204 N. Nacimiento district, N. Mex., coal of 250-251 coal of, section of 250 copper of 118 Napoleon mine, Cal., copper ores of 106 , Nebraska, volcanic ash from, analysis of . . . 477 Needle Mountains quadrangle, mines of 18,25 rocks of 25-26 Neodesha, Kans., glass making at 460 Nevada, copper in 115-117 copper in, gold and silver in 95, 116 Esmeralda County, mine In 57-65 Nye County, mine in 63-72 southwestern part of, economic condi- tions in 54 500 INDEX. 