Keywords: A preliminary report on the palaeontology of Perry County BHL40834569.jpg A preliminary report on the palaeontology of Perry County describing the order and thickness of its formations and its folded and faulted structure 40834569 126915 62415 Foldout http //www biodiversitylibrary org/page/40834569 10 5962/bhl title 62415 Claypole Edward Waller Public domain The BHL considers that this work is no longer under copyright protection <br> Biodiversity Heritage Library PD-old-70-1923 A preliminary report on the palaeontology of Perry County Images uploaded by Fæ Files from the Biodiversity Heritage Library |