1948. 2nd Edition. 82 pages. Paperback book with pictorial cover. Full title: British Regional Geology. The Welsh Borderland. Department of Scientific and Industrial Research. Geological Survey and Museum. Black and white illustrations and photographic plates throughout. Binding remains firm. Pages and plates are lightly tanned throughout. Paper cover has mild edgewear with curling to corners. Light tanning to spine and edges with splits to spine edges.