This book, "A progress report of the results secured in treating pure white pine stands on experimental plots at Keene, New Hampshire. 1", by Ralph C. Hawley, is a replication of a book originally published before 1922. 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.