31/12/1969
Each no. has also a distinctive title.
Some numbers published in parts.
Not issued in chronological sequence.
Mode of access: Internet.
bib
http://hdl.handle.net/2027/uc1.$b681283
http://hdl.handle.net/2027/uc1.b3529301
http://hdl.handle.net/2027/uc1.b2969118
http://hdl.handle.net/2027/uc1.b2969119
http://hdl.handle.net/2027/uc1.b2969120
http://hdl.handle.net/2027/uc1.b2969121
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http://hdl.handle.net/2027/uc1.b2969125
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http://hdl.handle.net/2027/uc1.b2969127
http://hdl.handle.net/2027/uc1.b2969128
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http://hdl.handle.net/2027/uc1.b2969134
http://hdl.handle.net/2027/uc1.b2969135
http://hdl.handle.net/2027/uc1.b2969136
http://hdl.handle.net/2027/uc1.b2969137
http://hdl.handle.net/2027/uc1.b2969138
http://hdl.handle.net/2027/uc1.b2969139
http://hdl.handle.net/2027/uc1.b2969140
http://hdl.handle.net/2027/uc1.b2969141
http://hdl.handle.net/2027/uc1.b2969142
http://hdl.handle.net/2027/uc1.b2969143
http://hdl.handle.net/2027/uc1.b2969144
http://hdl.handle.net/2027/uc1.b2969145
http://hdl.handle.net/2027/uc1.b2969146
http://hdl.handle.net/2027/uc1.b2969147
http://hdl.handle.net/2027/uc1.b2969148
http://hdl.handle.net/2027/uc1.b2969149
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http://hdl.handle.net/2027/uc1.b2969156
http://hdl.handle.net/2027/uc1.b2969157
http://hdl.handle.net/2027/uc1.b2969158
http://hdl.handle.net/2027/uc1.b2969159
http://hdl.handle.net/2027/uc1.b2969160
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http://hdl.handle.net/2027/uc1.b2969168
http://hdl.handle.net/2027/uc1.b2969169
http://hdl.handle.net/2027/uc1.b2969170
http://hdl.handle.net/2027/uc1.b2969171
http://hdl.handle.net/2027/uc1.b2969172
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http://hdl.handle.net/2027/uc1.b2969174
http://hdl.handle.net/2027/uc1.b2969175
http://hdl.handle.net/2027/uc1.b2969176
http://hdl.handle.net/2027/uc1.b2969177
http://hdl.handle.net/2027/uc1.b2969178
http://hdl.handle.net/2027/uc1.b2969179
http://hdl.handle.net/2027/uc1.b2969180
http://hdl.handle.net/2027/uc1.b2969181
http://hdl.handle.net/2027/uc1.b2969182
http://hdl.handle.net/2027/uc1.b2969183
http://hdl.handle.net/2027/uc1.b2969184
http://hdl.handle.net/2027/uc1.b2969185
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http://hdl.handle.net/2027/uc1.b2969187
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http://hdl.handle.net/2027/uc1.b2969190
http://hdl.handle.net/2027/uc1.b2969191
http://hdl.handle.net/2027/uc1.b2969192
http://hdl.handle.net/2027/uc1.b2969193
http://hdl.handle.net/2027/uc1.b2969194
http://hdl.handle.net/2027/uc1.b2969195
http://hdl.handle.net/2027/uc1.b2969196
http://hdl.handle.net/2027/uc1.b2969197
http://hdl.handle.net/2027/uc1.b2969198
http://hdl.handle.net/2027/uc1.b2969199
http://hdl.handle.net/2027/uc1.b2969200
http://hdl.handle.net/2027/uc1.b2969201
http://hdl.handle.net/2027/uc1.b2969202
http://hdl.handle.net/2027/uc1.b2970093
http://hdl.handle.net/2027/uc1.b2970094
http://hdl.handle.net/2027/uc1.b2970095
http://hdl.handle.net/2027/uc1.b2970096
http://hdl.handle.net/2027/uc1.b2970097
http://hdl.handle.net/2027/uc1.b2970098
http://hdl.handle.net/2027/uc1.b2970099
http://hdl.handle.net/2027/uc1.b2970100
http://hdl.handle.net/2027/uc1.b2970101
http://hdl.handle.net/2027/uc1.b2970102
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http://hdl.handle.net/2027/uc1.b2970111
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http://hdl.handle.net/2027/uc1.b2970116
http://hdl.handle.net/2027/uc1.b2970119
http://hdl.handle.net/2027/uc1.b2970122
http://hdl.handle.net/2027/uc1.b2970123
http://hdl.handle.net/2027/uc1.b2970125
http://hdl.handle.net/2027/uc1.b2970126
http://hdl.handle.net/2027/uc1.b2970129
http://hdl.handle.net/2027/uc1.b2970130
http://hdl.handle.net/2027/uc1.b2970132
http://hdl.handle.net/2027/uc1.b2970133
http://hdl.handle.net/2027/uc1.b2970134
http://hdl.handle.net/2027/uc1.b2970135
http://hdl.handle.net/2027/uc1.b2970136
http://hdl.handle.net/2027/uc1.b2970137
http://hdl.handle.net/2027/uc1.b2968350
http://hdl.handle.net/2027/uc1.b2968351
http://hdl.handle.net/2027/uc1.b2968352
http://hdl.handle.net/2027/uc1.b2968353
http://hdl.handle.net/2027/uc1.b2968354
http://hdl.handle.net/2027/uc1.b2968355
http://hdl.handle.net/2027/uc1.b2968356
http://hdl.handle.net/2027/uc1.b2968357
http://hdl.handle.net/2027/uc1.b2968358
http://hdl.handle.net/2027/uc1.b2968359
http://hdl.handle.net/2027/uc1.b2968360
http://hdl.handle.net/2027/uc1.b2968361
http://hdl.handle.net/2027/uc1.b2968362
http://hdl.handle.net/2027/uc1.b2968363
http://hdl.handle.net/2027/uc1.b2968364
http://hdl.handle.net/2027/uc1.b2968366
http://hdl.handle.net/2027/uc1.b2968367
http://hdl.handle.net/2027/uc1.b2968368
http://hdl.handle.net/2027/uc1.b2968369
http://hdl.handle.net/2027/uc1.b2968370
http://hdl.handle.net/2027/uc1.b2968371
http://hdl.handle.net/2027/uc1.b2968372
http://hdl.handle.net/2027/uc1.b2968373
http://hdl.handle.net/2027/uc1.b2968374
http://hdl.handle.net/2027/uc1.b2968375
http://hdl.handle.net/2027/uc1.b2968376
http://hdl.handle.net/2027/uc1.b2968377
http://hdl.handle.net/2027/uc1.b2968378
http://hdl.handle.net/2027/uc1.b2968379
http://hdl.handle.net/2027/uc1.b2968380
http://hdl.handle.net/2027/uc1.b2968381
http://hdl.handle.net/2027/uc1.b2968382
http://hdl.handle.net/2027/uc1.b2968383
http://hdl.handle.net/2027/uc1.b2968384
http://hdl.handle.net/2027/uc1.b2968385
http://hdl.handle.net/2027/uc1.b2968386
http://hdl.handle.net/2027/uc1.b2968387
http://hdl.handle.net/2027/uc1.b2968388
http://hdl.handle.net/2027/uc1.b2968389
http://hdl.handle.net/2027/uc1.b2968390
http://hdl.handle.net/2027/uc1.b2968391
http://hdl.handle.net/2027/uc1.b2968392
http://hdl.handle.net/2027/uc1.b2968393
http://hdl.handle.net/2027/uc1.b2968394
http://hdl.handle.net/2027/uc1.b2968395
http://hdl.handle.net/2027/uc1.b2968396
http://hdl.handle.net/2027/uc1.b2968397
http://hdl.handle.net/2027/uc1.b2968398
http://hdl.handle.net/2027/uc1.b2968399
http://hdl.handle.net/2027/uc1.b2968400
http://hdl.handle.net/2027/uc1.b2968401
http://hdl.handle.net/2027/uc1.b2968402
http://hdl.handle.net/2027/uc1.b2968403
http://hdl.handle.net/2027/uc1.b2968404
http://hdl.handle.net/2027/uc1.b2968405
http://hdl.handle.net/2027/uc1.b2968406
http://hdl.handle.net/2027/uc1.b2968407
http://hdl.handle.net/2027/uc1.b2968408
http://hdl.handle.net/2027/uc1.b2968409
http://hdl.handle.net/2027/uc1.b2968410
http://hdl.handle.net/2027/uc1.b2968411
http://hdl.handle.net/2027/uc1.b2968412
http://hdl.handle.net/2027/uc1.b2968413
http://hdl.handle.net/2027/uc1.b2968414
http://hdl.handle.net/2027/uc1.b2968415
http://hdl.handle.net/2027/uc1.b2968416
http://hdl.handle.net/2027/uc1.b2968417
http://hdl.handle.net/2027/uc1.b2968418
http://hdl.handle.net/2027/uc1.b2968419
http://hdl.handle.net/2027/uc1.b2968420
http://hdl.handle.net/2027/uc1.b2968421
http://hdl.handle.net/2027/uc1.b2968422
http://hdl.handle.net/2027/uc1.b2968423
http://hdl.handle.net/2027/uc1.b2968424
http://hdl.handle.net/2027/uc1.b2968425
http://hdl.handle.net/2027/uc1.b2968426
http://hdl.handle.net/2027/uc1.b2968427
http://hdl.handle.net/2027/uc1.b2968428
http://hdl.handle.net/2027/uc1.b2968429
http://hdl.handle.net/2027/uc1.b2968430
http://hdl.handle.net/2027/uc1.b2968431
http://hdl.handle.net/2027/uc1.b2968432
http://hdl.handle.net/2027/uc1.b2968433
http://hdl.handle.net/2027/uc1.b2968434
http://hdl.handle.net/2027/uc1.b2968435
http://hdl.handle.net/2027/uc1.b2968436
http://hdl.handle.net/2027/uc1.b2968437
http://hdl.handle.net/2027/uc1.b2968438
http://hdl.handle.net/2027/uc1.b2968439
http://hdl.handle.net/2027/uc1.b2968440
http://hdl.handle.net/2027/uc1.b2968441
http://hdl.handle.net/2027/uc1.b2968442
http://hdl.handle.net/2027/uc1.b2968443
http://hdl.handle.net/2027/uc1.b2968444
http://hdl.handle.net/2027/uc1.b2968445
http://hdl.handle.net/2027/uc1.b2968446
http://hdl.handle.net/2027/uc1.b2968447
http://hdl.handle.net/2027/uc1.b2968448
http://hdl.handle.net/2027/uc1.b2968449
http://hdl.handle.net/2027/uc1.b2968450
http://hdl.handle.net/2027/uc1.b2968451
http://hdl.handle.net/2027/uc1.b2968452
http://hdl.handle.net/2027/uc1.b2968453
http://hdl.handle.net/2027/uc1.b2968454
http://hdl.handle.net/2027/uc1.b2968455
http://hdl.handle.net/2027/uc1.b2968456
http://hdl.handle.net/2027/uc1.b2968457
http://hdl.handle.net/2027/uc1.b2968458
eng
Washington, D.C. : G.P.O.,
Bulletin of the United States Geological Survey
Geological Survey bulletin
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements.
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