SUBJECT INDEX 



679 



American Society of Civil Engineers, 



110, 203, 243 

 American Society for Testing Materials, 



110 

 Ammonium oxalate, 162 

 Amphibious operations, 656, 659 

 Anaerobic bacteria, 512 

 Analyses, 153, 474, 543-549 

 Ancient sediments, 3 

 Andalusite, 572 



Andesites as aggregates, 442, 444, 451 

 Andrews County, Tex., 625 

 Angola, La., 218 

 Anhydrite, 491, 565, 623 

 Animals, effect of, on permafrost, 259 

 Anisotropy in soils, 95, 107, 127 

 Anker ite, 513 

 Antarctica, 250, 661 

 Anthracite, 139 

 Antigo, Wis., 120 

 Antwerp, Belgium, 294 

 Apatite, 572 



Apishapa River, Colo., 382 

 Appalachian Mountains, 128, 132, 134, 

 148, 159, 164, 516 



mineral deposits, 528 



porosity of sediments, 607 

 Appraisal of mineral deposits, 496 

 Aqueous dispersion of minerals, 541 

 Aquifer, 114-119, 583, 604 

 Arbuckle limestone, 624 

 Arctic areas, 128, 250 

 Arctic Institute of North America, 247 

 Arctic Research Laboratory, 270 

 Argile plastique, 199 

 Argillaceous sediments, 164, 178, 183 



as foundations, 157 

 Argillites, 444 

 Arid regions, 12, 48, 407 

 Arizona, 27, 382 

 Arkabutla Dam, 221 

 Arkansas, 211, 605 

 Arkansas City, Okla., 327 

 Arkansas River, 189, 382 

 Arkoses, 33 

 Arroyos, 383, 407 

 Artesian water, 117, 265 

 Artifacts, 395, 409 

 Artificial leakage channels, 165 

 Ash, volcanic, 15, 16 

 Asia, 248 



Asymmetric valleys, 250 



Atchafalaya River, 325 



Atchison, Kan., 323 



Atlantic City Beach, 313 



Atlantic Coast, 23 



Atolls, 24 



Atomic bomb tests, 662 



Attapulgite, 465, 467 



Atterberg limits, 100, 101, 109, 221, 467, 



645 

 Attrition, 442 

 Aufeis, 256 

 Augers, 203, 263 

 Australia, 521 

 Avalanche, 230, 383 

 Avulsions, 324, 332 

 Azotobacter, 53 



B 



B horizon, 56 



Backswamps, 217 



Bacteria, 24, 53, 257, 510, 629 



Badwater Creek, Wyo., 411 



Baked permeability, 479 



Ball clay, 490 



Bank erosion, 396, 429 



Barite, 491, 524, 528, 572 



Baroid Well Logging Service, 568 



Barrow, Alaska, 250, 251, 270 



Bars, stream, 29, 69, 281, 320, 649 



Barton County, Kan., 624 



Basalt, 444, 486, 648 



Base courses, 141 



Base exchange, 5, 30, 55, 109, 234, 235, 



310, 465, 608 

 Base failure, 137 

 Base level, lowering of, 408 

 Base permeability, 478 

 Basins, 21 



debris, 343 

 Baton Rouge, La., 219, 224, 291, 326 

 Bauxite, 56, 490, 525 

 Bavarian oolitic ores, 517 

 Bays, deposits of, 24 

 Beach, landings on, 653, 659 

 Beach deposits, 23, 24, 29, 129-131, 455, 



643, 647, 659, 661 

 Beach erosion, 36, 276-290 

 Beach Erosion Board, 276, 279, 291 

 Beaded streams, 268 



