Geological Survey

Bulletin - United States Geological Survey Volume 157-159

Bulletin of the United States Geological Survey Volume 179

Bulletin - United States Geological Survey Volume 265

Bulletin - United States Geological Survey Volume 514

Bulletin - United States Geological Survey Volume 442

Bulletin - United States Geological Survey Volume 76

Bulletin - United States Geological Survey Volume 275-279

Bulletin - United States Geological Survey Volume 282

Bulletin - United States Geological Survey Volume 506

Bulletin - United States Geological Survey Volume 461

Bulletin of the United States Geological Survey Volume 15-23

Bulletin - United States Geological Survey Volume 508

Bulletin - United States Geological Survey Volume 405

Bulletin of the United States Geological Survey Volume 31-36

Bulletin - United States Geological Survey Volume 13-20

Bulletin - United States Geological Survey Volume 515

Bulletin - United States Geological Survey Volume 690-691

Bulletin - United States Geological Survey Volume 87-89

Bulletin of the United States Geological Survey Volume 106-108

Bulletin - United States Geological Survey Volume 557

Bulletin - United States Geological Survey Volume 332

Bulletin - United States Geological Survey Volume 1855, PT. 2

Bulletin - United States Geological Survey Volume 77-80

Bulletin - United States Geological Survey Volume 90-93