688 



SUBJECT INDEX 



Foundations, pile, 177 



problems, of Alluvial Valley of Missis- 

 sippi, 210-226 

 of sedimentary rocks, 147-168 



relation of, to geophysics, 82 



spillway structures, 182 



stability of, 221 

 Fouling of mines, 658 

 Foundry sands, 475-482, 490 

 Fractured carbonate rock, 628 

 Fractures, 158, 238, 476, 619, 629 

 France, 108 



Franciscan deposits, 22, 495 

 Franklin Falls Dam, 190 

 Freeport, Tex., 293 



Freezing, effect of, on sediments, 6, 148 

 Freezing test, 458 

 French Guinea, 513 

 Friant, Calif., 454 

 Friction, 98, 149 



in stream bed, 69 



intergranular, 97 



internal, 102 



of a foundation, 149 



of rock on rock, 157 

 Friction piles, 173, 177 

 Front River, Ga., 310 

 Frost action, 13-15, 143, 174, 247-275 

 Frosted grains, 476, 561 

 Fuller's earth, 490 

 Furnace sand and slag, 489, 492 

 Fusion of clays, 471 

 Fusulinids, 618 



G 



Gabbro, 444 



soils from, 47 

 Galena, 488 



Galvanometer for electric logs, 562 

 Galveston, Tex., 294 

 Gamma-ray radiation, 565 

 Ganado, Ariz., 422, 428 

 Ganges River, 122 

 Ganister, 490 

 Garnet,' 475, 489, 572 

 Garrison Dam, N. D., 163, 208 

 Gas, analyses of, 567 



permeability of, 591 



production of, 581 

 Gas-oil ratio, 582 

 Gatchell sand, 573 



Gaylussite, 492 



Gelling substances, 242 



Gem stones, production of, 489 



Gene Wash Dam, 443 



Geochemical prospecting for ores, 537, 

 555 



Geographic relationships among soils, 42 



Geologic mapping, geophysical aids to, 83 



Geology, applications of, to earth dams, 

 181 

 relation of, to foundation studies, 174 

 to geophysics, 75 

 to soil mechanics, 107 

 to tunnel operations, 206 



Geomorphic development of landscapes, 

 403 



Geophysical exploration, 72-92, 559, 662 

 of soils, 145 



Geophysical methods of locating perma- 

 frost, 257, 263 



Georgia, 51, 122, 382, 525 



Geosynclines, 22 



Geotechnical Corporation, 72 



Geothermal gradient, 259 



Germany, 42, 199 



Gerzenzee, Switzerland, 236 



Gibbsite, 56, 59 



Gila conglomerate, 409 



Gila River, Ariz., 382, 409, 417 



Gilsonite, 306 



Glacial dispersion of ore minerals, 540 



Glacial outwash, 121, 455, 475, 646 



Glacial sediments, 13, 14, 119, 129, 207, 

 210, 236, 454, 473 

 ground water in, 119 

 marine, 20 



Glacial till, 13, 46, 538, 643 



Glacier, rate of movement of, 13 



Glass sand, 489, 490 



Glassy volcanic rocks as aggregates, 442 



Glauconite, 233, 491, 510, 520 



Glen Canyon Dam, 446 



Glenwood Springs, Colo., 233 



Gneiss, 184, 190 



Goethite, 56, 512 



Gogebic deposits, Wise, 514 



Gold, 488, 513 



Gold-bearing gravels, 267 



Golden Gate Fair, 109 



Goose Creek, Tex., 611 



Gossan, 515, 538, 544 



