Petrography and correlation of deep-well sections in West Virginia and adjacent states. This book, "Petrography and correlation of deep-well sections in West Virginia and adjacent states. Volume 11", by James Hart Curry Martens, is a replication of a book originally published before 1939. 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.