William Smith’s Geological Map of
England and Wales and Part of Scotland, 1815-1817

March 23, 1769 - William Smith's birthday

In 1815, the english geologist published his geologic map
featuring England, Wales and part of Scotland.
Smith was the first to map rocks using fossils as a basis for the rock's stratigraphic position.

You can visit one of the few surviving copies of this landmark map
at the Geological Society of London's Burlington House.