On the discovery of chert implements in stratified gravel in the Nile Valley near Thebes This book, "On the discovery of chert implements in stratified gravel in the Nile Valley near Thebes", by Augustus Henry Lane-Fox Pitt-Rivers, is a replication of a book originally published before 1882. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.