Geological Survey

Water-Supply Paper Volume 491

Geological Survey Professional Paper Volume 1386

Geological Survey Professional Paper Volume 317

Water-Supply Paper Volume . 452

Geological Survey Water-Supply Paper Volume 1995

Geological Survey Water-Supply Paper Volume 1514-1515

Bulletin Volume 683

Geological Survey Professional Paper Volume 462

Geological Survey Professional Paper Volume 429, PT. 2

Geological Survey Professional Paper Volume 644

Professional Paper Volume 98

Geological Survey Professional Paper Volume 532

Geological Survey Professional Paper Volume 376

Geological Survey Professional Paper Volume 346-348

Geological Survey Bulletin Volume 1464, PT. 9

Geological Survey Bulletin Volume 1057

Professional Paper Volume 138-140

Geological Survey Bulletin Volume 1485, PT. 9

Geological Survey Bulletin Volume 1517

Geological Survey Water-Supply Paper Volume 1632

Geological Survey Professional Paper Volume 548

Geological Survey Professional Paper Volume 491

Geological Survey Professional Paper Volume 534

Geological Survey Professional Paper Volume 618