Geological Survey

Geological Survey Professional Paper Volume 561

Geological Survey Professional Paper Volume 504, PT. 1

Geological Survey Professional Paper Volume 355-357

Geological Survey Bulletin Volume 1074

Geological Survey Professional Paper Volume 264

Geological Survey Professional Paper Volume 533

U.S. Geological Survey Professional Paper Volume 3-6

Geological Survey Bulletin Volume 1331

Geological Survey Professional Paper Volume 577-579

Geological Survey Professional Paper Volume 346

U.S. Geological Survey Professional Paper Volume 133

Geological Survey Professional Paper Volume 843, PT. 1

Geological Survey Bulletin Volume 1230

Geological Survey Bulletin Volume 1193-1194

Geological Survey Bulletin Volume 979

Geological Survey Professional Paper Volume 570

Geological Survey Professional Paper Volume 211

Bulletin Volume 481-484

Geological Survey Bulletin Volume 1545

Geological Survey Professional Paper Volume 1240, PT. 3

U.S. Geological Survey Professional Paper Volume 1626

Geological Survey Professional Paper Volume 865

Bulletin Volume 688

Geological Survey Professional Paper Volume 458, PT. 3