Scottish Section 6. (1876). From the Ayrshire county boundary through Renfrewshire by the Glenifer Braes, Quarrelton Coalfield, Johnstone, and Garscadden iron-stone districts across the Clyde
Scottish Section 6. (1876). From the Ayrshire county boundary through Renfrewshire by the Glenifer Braes, Quarrelton Coalfield, Johnstone, and Garscadden iron-stone districts across the Clyde, Kilpatrick Hills, and Benbowie to Glen Fruin. London: Geological Survey Office. Crosses Scottish one inch geological maps 22, 30 and 38. Flat hand-coloured engraving, 69 x 99 cm, at 1:63,360 and x6 vertical exaggeration. Clear plate impression, clean, colours bright, a very few marginal minor tears. In very good condition.