William Smith: Geological section from London to Snowdon showing the varieties of the strata and the correct altitudes of the hills. Published: London : J. Carey, 1819.
Extract from William Smith's Geological section from London to Snowdon showing the Stonebrash Hills, the Chalk Hills and the intervening Vale of Isis and Vale of Aylesbury.
Extract from William Smith's Geological section from London to Snowdon showing the mountains of North Wales.
The section came with an accompanying 'Legend'.
Posted by Bob McIntosh
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