Paul R. Shaffer

No biography available.

Works (4)

Cover of Fossils

Cover of The golden stamp book of rocks and minerals

The golden stamp book of rocks and minerals

Cover of Farmdale drift in northwestern Illinois

Farmdale drift in northwestern Illinois

Cover of Extension of Tazewell glacial substage of western Illinois and eastern Iowa

Extension of Tazewell glacial substage of western Illinois and eastern Iowa

Paul R. Shaffer — author · Vinony