Report of progress in the Clearfield and Jefferson district of the bituminous coalfields of western Pennsylvania This book, "Report of progress in the Clearfield and Jefferson district of the bituminous coalfields of western Pennsylvania", by Franklin Platt, is a replication of a book originally published before 1875. 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.