Geological Survey

Geological Survey Professional Paper Volume 546

Geological Survey Bulletin Volume 991-994

Geological Survey Professional Paper Volume 305

Bulletin Volume 216-222

Geological Survey Professional Paper Volume 1404

Professional Paper Volume 11-12

Geological Survey Professional Paper Volume 989-993

Geological Survey Professional Paper Volume 249-253

U.S. Geological Survey Professional Paper Volume 93

U.S. Geological Survey Professional Paper Volume 96

Water-Supply Paper Volume 362-365

Geological Survey Professional Paper Volume 504, PT. 2

Geological Survey Professional Paper Volume 615-616

Geological Survey Professional Paper Volume 542, PT. 1

Geological Survey Professional Paper Volume 604

Geological Survey Water-Supply Paper Volume 265-269

Geological Survey Professional Paper Volume 499-500

Geological Survey Professional Paper Volume 619-621

Geological Survey Professional Paper Volume 280

Professional Paper - United States Geological Survey Volume 8

Professional Paper Volume 9-10

Geological Survey Professional Paper Volume 331

Geological Survey Professional Paper Volume 531

Geological Survey Bulletin Volume 1065