On The Discovery Of Chert Implements In Stratified Gravel In The Nile Valley Near Thebes (1882) is a book written by Augustus Henry Lane-Fox Pitt-Rivers. The book is a detailed account of the author's discovery of chert implements in stratified gravel in the Nile Valley near Thebes. The author describes the geological conditions of the region and the methods used to excavate the site. The book also includes detailed illustrations and photographs of...