Geology of Mongolia a reconnaissance report based on the investigations of the years 1922-1923 This book, "Geology of Mongolia a reconnaissance report based on the investigations of the years 1922-1923", by Charles P. Berkey, is a replication of a book originally published before 1927. 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.