Geology, introductory, descriptive, & practical This book, "Geology, introductory, descriptive, & practical", by D.T. Ansted, is a replication of a book originally published before 1844. 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.