This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc...
^Henry Thomas De La Beche (2011). Erster Bericht Über Die Zur Dampfschiffahrt Geeigneten Steinkohlen Englands, BiblioLife. Indigo. ISBN 9781141778300 (revised Jul 2023)