Thomas 1916

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		Thomas 1916
	H N Thomas drew a Geological Map of the Lake District, scale about 4 miles to 1 inch, derived from the Ordnance Survey and Geological Surveys, from the Geology of the Lake District by J E Marr, published by Cambridge University Press, 1916. The:-
	INDEX of colours
	has:-
	Alluvium   Trias and Permian   Carboniferous   Kirkby Moor Flags   Bannisdale Slates   Coniston Grits   Upper Coniston Flags, and Lower Coniston (Brathay) Flags   Stockdale Shales, and Carboniferous Limestone   Skiddaw Slates   Igneous Rocks (intrusive)

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