Geological Survey

Bulletin Volume 725-726

Bulletin Volume 315-316

Geological Survey Bulletin Volume 1524

Geological Survey Professional Paper Volume 873

Geological Survey Professional Paper Volume 674

U.S. Geological Survey Professional Paper Volume 9-10

Geological Survey Professional Paper Volume 864, PT. 2

Geological Survey Professional Paper Volume 1229-1230

Professional Paper Volume 131-134

Geological Survey Professional Paper Volume 515

Geological Survey Professional Paper Volume 1217-1222

Geological Survey Bulletin Volume 1111

Geological Survey Professional Paper Volume 585

Geological Survey Professional Paper Volume 1171-1172

Water-Supply Paper Volume 868-870

Professional Paper Volume 38-39

Geological Survey Professional Paper Volume 1046, Pts. 1-4

Bulletin Volume 226-229

Circular Volume 771-784

U.S. Geological Survey Professional Paper Volume 161

Bulletin Volume 241-244

Bulletin Volume 715-720

Geological Survey Water-Supply Paper Volume 1246-1248

Water-Supply Paper Volume 409-412