Geological Survey

Geological Survey Professional Paper Volume 600, Pts. 1-2

Geological Survey Professional Paper Volume 932, PT. 3

Geological Survey Professional Paper Volume 1231, Pts. 1-2

Geological Survey Bulletin Volume 983-984

Geological Survey Professional Paper Volume 501, Pts. 1-4

Geological Survey Professional Paper Volume 1081-1087

Bulletin Volume 834-836

Professional Paper - United States Geological Survey Volume 66

Professional Paper - United States Geological Survey Volume 55

Geological Survey Professional Paper Volume 658

Geological Survey Professional Paper Volume 525, PT. 2

Professional Paper Volume 135-137

Bulletin Volume 706

Bulletin Volume 726, PT. 2

Geological Survey Professional Paper Volume 1076, PT. 1

Geological Survey Professional Paper Volume 306, PT. 4

Geological Survey Professional Paper Volume 236-240

Geological Survey Professional Paper Volume 608

Geological Survey Professional Paper Volume 1010, Nos. 1-2

Geological Survey Bulletin Volume 1061

Geological Survey Bulletin Volume 1495, PT. 96

Geological Survey Water-Supply Paper Volume 1650

Geological Survey Professional Paper Volume 626

Geological Survey Bulletin Volume 1511-1515