SUBJECT INDEX 



695 



Muscovite, 572 

 Muskingum River, 330 



N 



Narrows, Ark., 220 



Natchez, Miss., 213, 214 



National Highway, 142 



National Research Council, iii 

 of Canada, 92 



Natural aggregates, 440, 445 



Natural bonded sands, 481 



Natural levees, 25, 214, 220 



Navajo Reservation, 421, 422, 428, 429 



Naval problems of sedimentation, 656- 

 665 



Navigation channels, 181, 220, 291, 305, 

 319-335 



Navy Department, 268, 662 

 Electronics Laboratory, 662 

 Underwater Sound Laboratory, 660 



Nebraska, 49, 121, 382, 446 



Neches River, Tex., 382 



Neda hematites, 516 



Needles, Calif., 393 



Negative electric potential, 310 



Neutron logging, 81, 566 



Nevada, 27, 382, 662 



New England, 42, 114 



New Jersey, 51, 276 



New Mexico, 27, 382 



New Orleans, 213, 326 



New York, 84, 475 



New York City, 294 



New Zealand, 233 



Newnan, Ga., 401 



Nichols Buff sandstone, 591 



Nickel, 528, 542 



Nile River, 122, 367 



Niobrara, Neb., 166 



Nitrates as nutrients in the sea, 16 



Nitrogen in soils, 42, 50, 53 



Nodule bacteria, 53 



Noise makers, biological, 657 



Nontronite, 56, 465 



Noranda district, Quebec, 535 



Nordvik, Siberia, 250 



Norris Reservoir, 352 



North Carolina, 382 



North Dakota, 119, 121 



North Monahans Field, Tex., 627 



North Platte, irrigation project, 371, 



374 

 North Platte River, 371, 382, 412 

 North Sea, 23 



North Searight Pool, Okla., 583 

 Northeast Coalinga Oil Field, 574 

 Northwest Gloyd Extension, 582 

 Nueces River, Tex., 382 



O 



Observation wells in tunneling opera- 

 tions, 206, 207 

 Ocala limestone, 122, 166 

 Occurrence of ground water, 113 

 Ocean, 6, 661 



circulation in, 17 



sediments of, 6, 18, 661 



survey of floor, 661 



temperature of, 18 

 Oceanography, 6-19, 49, 90, 656-665 



relation of, to geophysics, 76 

 Ocmulgee River, Ga., 382 

 Octahedral configuration of clays, 56 

 Office of Chief of Engineers, 181 

 Ohio, 121, 135, 302, 382, 481 

 Ohio River, 121, 154, 302, 329 

 Oil, 30, 77-83, 119, 559, 569 



migration of, 30 

 Oil-field brines, 113 

 Oil fields, 138 



subsidence in, 141 

 Oil reservoirs, 268, 519-632 

 Oil shale, 15, 28-31 

 Oklahoma, 382, 583, 609, 611, 624 

 Oklahoma City Field, 609 

 Oolicastic-type porosity, 626, 628 

 Oolites, 24, 517, 519, 618, 626 

 Oozes, in military operations, 640 

 Opal, 131, 462, 489, 622 



in aggregates, 442 

 Optimum dry weight, 645 

 Ordovician, 122, 514, 516, 609 

 Ore deposits, 84, 485-555 

 Ore precipitation, 534 

 Oregon, 412, 424, 512 

 Organic acids, 53, 619 

 Organic carbon, 50, 53 

 Organic content of water, 265 

 Organic deposits, 15, 28, 31, 141, 464 



radioactive material in, 15 



