680 



SUBJECT INDEX 



Bear Paw shale, 164, 185 



Bear River, Wyo., 412 



Bearing capacity, 96, 99, 100, 143, 155, 

 175 



Bearing piles, 82, 177 



Bed-material load, 63-68 



Bedding, 134, 152, 158, 237, 604, 659 



Bedding plane, relation of, to permeabil- 

 ity, 601 



Beidellite, 56 



Belgian coal mines, 199 



Bell Island, Newfoundland, 516 



Belle Fourche Dam, 241, 375, 467 



Benches (terraces), 133 



Bentonite, 469, 476, 490 



effect of, on foundations, 164 



Berms, stability of, 140, 222 



Bernardo, N. M., 65 



Berthierite, 510 



Beryllium, 489, 566 



Bethany, Mo., 384 



Bicarbonates, 57 



Big Williams River, 412, 443 



Bighorn River, Wyo., 411, 412 



Bikini, 662 



Bilbao, Spain, 514 



Biloxi, Miss., 282 



Biochemical sediments, 131 



Biologic noise makers, 657 



Biologic significances of permafrost, 258 



Biotic factors in soil, 43, 52 



Biotite, 572 



Birmingham, Ala., 516 



Bituminous coal fields, 139 



Bituminous coating, 198 



Biwabik, Minn., 511 



Black sand deposits, 512 



Blakely Mt. Dam, Ark., 185, 220 



Blanket deposits of ore minerals, 498 



Block fields in permafrost areas, 250 



Blowout in tunneling, 194-196, 202 



Blue holes, 216 



Boat for reservoir surveys, 355 



Bog deposits, 15, 28, 48, 507, 517, 640 



Boghead coal, 28 



Boils, mud, 26 



Boise River, Idaho, 382 



Bombs, volcanic, 15 



Bond with cement, 165, 442 



Bonding strength of clays, 458, 468, 477 



Bonne Terre, Mo., 524, 532 



Bonneville Hydraulic Laboratory, Ore., 



317 

 Boring tools, 171 

 Borings, 153, 187, 203, 207, 263 

 Borneo, 513 

 Bornholm, 297 

 Bornite, 515 

 Boron, 16, 27, 491, 543 

 Botanical indications of ore deposits, 



542 

 Bottom, effect of, on underwater sound, 



657 

 Bottom currents, 19, 285, 310, 661 

 Bottom-hole pressure, 584 

 Bottom scanner, 662 

 Bottom sediment charts, 661 

 Bottom-set beds, 12 

 Bottom withdrawal tube, 350 

 Boulder clay, 640 

 Boulders, 336, 640, 657 

 Bowie, Ariz., 420 

 Brachiopods, 618 

 Braided-channel patterns, 216 

 Bramaputra River, 122 

 Brassfield hematites, 516 

 Bravisites, 130 

 Brazil, 521 



Brazos River, Tex., 157, 164, 382 

 Breakwater construction, 279, 297, 527, 



649 

 Breast boards in tunneling, 200, 202 

 Breccias, 32, 131, 151, 160, 619 

 Bridges, 130, 149, 169, 253 

 Bridgeton formation, 475 

 Brigantine Beach, 313 

 Brines, 485 



Broken Hill, Australia, 529 

 Bromoform, 572 

 Brown iron ores, 514 

 Bucyrus-Ruth excavator, 375 

 Budapest, Hungary, 292 

 Buffer action, 590 

 Building codes, 150, 152, 156 

 Building stone, 490 

 Buoyant effect of water, 158, 239 

 Bureau of Ordnance, 662 

 Bureau of Reclamation, 494, 662 

 Bureau of Ships, 662 

 Buried channels, 83, 207 

 Buried hills, 30 

 Burlington Reservoir, N. C, 387 



