Geological Survey

Geological Survey Professional Paper Volume 1253

Geological Survey Bulletin Volume 1153-1154

Geological Survey Bulletin

Geological Survey Professional Paper Volume 1240, PT. 2

Geological Survey Professional Paper Volume 425-426

Geological Survey Professional Paper Volume 432

Geological Survey Professional Paper Volume 749

Geological Survey Professional Paper Volume 560, PT. 3

Geological Survey Professional Paper Volume 564

Geological Survey Bulletin Volume 1113-1114

Professional Paper Volume 100

Geological Survey Bulletin Volume 1077

Bulletin Volume 690, PT. 1

Bulletin Volume 704

U.S. Geological Survey Professional Paper Volume 97

Bulletin Volume 789-793

Circular Volume 844-847

Geological Survey Professional Paper Volume 560, PT. 4

Geological Survey Professional Paper Volume 360

Professional Paper Volume 33-36

Geological Survey Professional Paper Volume 541

Geological Survey Professional Paper Volume 1047

Geological Survey Professional Paper Volume 770-773

Geological Survey Professional Paper Volume 525, Pts. 3-4