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1877

XIII. Jurassic & Cretaceous.

Exploration Book

Jurassic & Cretaceous. C.K. …

1877

XIV. Cretaceous.

Exploration Book

Cretaceous. C.K. Worthen del …

1877

XV. Cretaceous.

Exploration Book

Cretaceous. C.K. Worthen del …

1877

XVI. Cretaceous.

Exploration Book

Cretaceous. C.K. Worthen del …

1877

XVII. Cretaceous.

Exploration Book

Cretaceous. C.K. Worthen del …

1877

XVIII. Cretaceous.

Exploration Book

Cretaceous. C.K. Worthen & H …

1877

XIX. Cretaceous.

Exploration Book

Cretaceous. Martin, Worthen …

1877

XXI. Tertiary.

Exploration Book

Tertiary & Tertiary? C.K. Wo …