This book, "Analysis of rocks and minerals from the laboratory of the United States Geological survey, 1880 to 1908. 1", by Frank Wigglesworth Clarke, is a replication of a book originally published before 1910. 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.