Report for 1891 and 1892, on the Humbar Valley and central carboniferous area of the island This book, "Report for 1891 and 1892, on the Humbar Valley and central carboniferous area of the island", by James P. Howley, is a replication of a book originally published before 1893. 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.