Devon Sheet 123.08a Plymouth (North) 1893 – published 2000; intro by Richard Oliver. Devon Sheet 123.08b Plymouth (North) 1912 – published 2025; intro by Tony Painter. The map links up with sheet 123.04 Plymouth NW to the north, 123.07 Devonport North to the west, 124.05 Laira to the east and 123.12 Plymouth Hoe to the south.