Horizontal Section No. 70 (1867). 1. From Swan Bank, near Alderley Edge, across Tideswell to the Coal Measures, W of Dronfield, Derbyshire. Geological Survey of GB. 1st edition.Horizontal Section No. 70 (1867). 1. From Swan Bank, near Alderley Edge, across the Plain of Cheshire, to Kerridge, Saltersford Valley, Tideswell to the Coal Measures, W of Dronfield, Derbyshire. Geological Survey of GB. 1st edition. Located on Old Series one inch maps 81nw & ne, and 82nw. Hand coloured engraving 69. 5 x 101cm, 1: 10,560 scale (6= 1mile). Flat, soiled, minor marginal tears, creased on right side, tear with loss of top right corner. In