Geological Survey

Professional Paper Volume 75-76

Geological Survey Bulletin Volume 1038

Circular Volume 812

Bulletin Volume 351-354

Geological Survey Professional Paper Volume 354, PT. 3

Geological Survey Bulletin Volume 1452, PT. 3

U.S. Geological Survey Professional Paper Volume 50

Geological Survey Water-Supply Paper Volume 1365-1368

Geological Survey Professional Paper Volume 932, PT. 2

Geological Survey Professional Paper Volume 581

Geological Survey Water-Supply Paper Volume 1120-1122

Geological Survey Professional Paper Volume 871

Professional Paper Volume 125

Geological Survey Water-Supply Paper Volume 1458-1459

Bulletin Volume 771-775

Geological Survey Professional Paper Volume 409-410

Professional Paper Volume 141

Geological Survey Professional Paper Volume 641, Pts. 1-3

Bulletin Volume 748-751

Geological Survey Professional Paper Volume 1032, PT. 2

Geological Survey Professional Paper Volume 394

Water-Supply Paper Volume 318

Geological Survey Professional Paper Volume 1119-1125

Geological Survey Professional Paper Volume 935, PT. 2