Geological Survey

Professional Paper Volume 127

Geological Survey Professional Paper Volume 1044, PT. 1

Geological Survey Professional Paper Volume 441

Geological Survey Bulletin Volume 987

Geological Survey Water-Supply Paper Volume 1451-1452

Geological Survey Professional Paper Volume 628

Geological Survey Bulletin Volume 1080

Geological Survey Bulletin Volume 1526-1528

Geological Survey Water-Supply Paper Volume 1305

Geological Survey Water-Supply Paper Volume 1361-1363

Geological Survey Professional Paper Volume 812, PT. 2

Professional Paper Volume 61-62

Geological Survey Bulletin Volume 1344-1349

Bulletin Volume 948

Geological Survey Professional Paper Volume 656

Geological Survey Professional Paper Volume 1241

Geological Survey Professional Paper Volume 425

Geological Survey Professional Paper Volume 668

Geological Survey Professional Paper Volume 485, PT. 4

Geological Survey Bulletin Volume 1056

Bulletin Volume 317-321

Geological Survey Water-Supply Paper Volume 1381-1382

Geological Survey Professional Paper Volume 497, PT. 3

Geological Survey Professional Paper Volume 811