Keywords: 'Strata of England and Wales' The William Smith Geological Map - Adjusted for clarity YORYM 2004 25.jpg A high resolution scan of William Smith's pioneering geological map of Britain Explanation<br> London Clay of Harrow Highgate and Shooters Hills<br> Clay and Brickearth with some Sand and Gravel<br> Sand and light Loam<br> Chalk<br> Green Sand parallel to the Chalk<br> Blue Marl or Oaktree Soil<br> Purbeck Stone Kentish Rag and Limestone of the Vale of Pickering<br> Iron Sand or Carstone<br> Clunch Clay and Shale Vales of North Wilts and Bedford<br> Cornbrash Limestone<br> Forest Marble and Clay<br> Great Oolyte or Barth Freestone<br> Under Oolyte<br> Blue Marl Pastures of the Midland Counties<br> Blue and White Lias Limestones<br> Red Marl Millstone and Brecciated Limestone<br> Magnesian Limestone<br> Coalmeasures Penant paving Grindstones and Millstones<br> The Coal<br> resting on Sandtone<br> Derbyshire Limestone<br> Red and Dunstone Breccon and the Southe Eastern Part of Scotland<br> various alternations of Hardstone Limestone and Slate<br> Killas and Slate of Cornwall Devon Wales Westmoreland and Scotland<br> Granit Sienite and Gniess<br> Canals marked by strong lines thus<br> Tunnels<br> Rail Roads<br> Other Roads<br> Collieries<br> Lead Mines<br> Copper Dep<br> Tin Dep<br> Salt and<br> Alum Works<br> The Figures shew the Altitude in Feet above the Level of the Sea<br> Salt Works in the Redland of Cheshire Shirlywich near<br> Stafford and Droitwich near Worcester<br> Alum Works North York Moors<br> William Smith 1815-08 York Museums Trust image map date 1815-08 England Wales part of Ireland Scotland and France Unknown N 49 08/49 08/56 40/56 40 -6 08/1 64/2 32/-6 7 0 Geological Map English print date 1815-08 Yorkshire Museum accession number http //www yorkmuseumstrust org uk/collections/search/item/ id 25002636 YORYM 2004 25 Size cm 184 260 Printed on Paper other versions <gallery> File 'Strata of England and Wales' The William Smith Geological Map - High Resolution YORYM 2004 25 jpg Original version of this image True to current condition of the map </gallery> PD-old-70-1923 Uploaded with UploadWizard Geological maps of the United Kingdom Old maps of England Old maps of Wales Old maps of Great Britain 1815 maps William Smith geologist History of science collections of the York Museums Trust |