Geological Survey

Geological Survey Professional Paper Volume 275-279

Geological Survey Professional Paper Volume 835-842

Geological Survey Bulletin Volume 1126-1127

Geological Survey Bulletin Volume 1294-1295

Geological Survey Bulletin Volume 1372

Geological Survey Bulletin Volume 1189-1192

Geological Survey Professional Paper Volume 662, PT. 1

Geological Survey Water-Supply Paper Volume 293

Geological Survey Professional Paper Volume 1066

Circular Volume 836-837

Geological Survey Professional Paper Volume 690-691

U.S. Geological Survey Professional Paper Volume 85-88

Bulletin Volume 695

Bulletin Volume 679

Geological Survey Bulletin Volume 1423-1424

Geological Survey Professional Paper Volume 897-903

Geological Survey Bulletin Volume 1000

Geological Survey Bulletin Volume 1482

Geological Survey Bulletin Volume 1429-1434

Bulletin Volume 715, PT. 1

Bulletin Volume 674

Geological Survey Professional Paper Volume 454

Geological Survey Bulletin Volume 1176-1177

Geological Survey Professional Paper Volume 600, PT. 4