$ 18.00

The Pleistocene Mammals of Iowa

By Hay, Oliver P.

SKU# 19038

$ 85.00

$ 600.00

The Villafranchian Stage-Age and its radiometric dating

By Savage, Donald E. and Curtis, Garniss H.

SKU# 18340

$ 25.00

$ 42.00

Über Devonische Ammoneen

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SKU# 15368

$ 15.00

Über Devonische Ammoneen

By Frech, Fritz

SKU# 15405

$ 25.00