Geological Survey

Bulletin - United States Geological Survey Volume 428-430

Bulletin - United States Geological Survey Volume 421

Bulletin - United States Geological Survey Volume 659

Bulletin - United States Geological Survey Volume 583-586

Bulletin of the United States Geological Survey Volume 80-81

Bulletin - United States Geological Survey Volume 362-372

Bulletin - United States Geological Survey Volume 1-6

Bulletin - United States Geological Survey Volume 350

Bulletin - United States Geological Survey Volume 657-661

Bulletin - United States Geological Survey Volume 237

Bulletin of the United States Geological Survey Volume 32, No. 160

Bulletin - United States Geological Survey Volume 677-680

Bulletin - United States Geological Survey Volume 467-469

Bulletin - United States Geological Survey Volume 494

Monographs of the United States Geological Survey Volume 2

Bulletin of the United States Geological Survey Volume 32

Bulletin - United States Geological Survey Volume 665-669

Bulletin of the United States Geological Survey Volume 65-70

Monographs of the United States Geological Survey Volume 16

Bulletin - United States Geological Survey Volume 262

Bulletin - United States Geological Survey Volume 610-612

Bulletin - United States Geological Survey Volume 646-649

Monographs of the United States Geological Survey Volume 23

Bulletin - United States Geological Survey Volume 560-566