Record

Archive Reference / Library Class No.	BMAG/JWJ/DERSB:66082
Title	document: The Correlation of Strata at Halkyn Mines, North Wales, by the Study of Insoluble Residues, in Bulletin of The Institution of Mining & Metallurgy, No. 434, January 1940 plus letters from the IMM
Date	01 Jan 1940
Level	Item
Repository	Derbyshire Record Office
Full Catalogue List	Click here to view a full list for this collection
Archive Creator	Dr J. Wilfred Jackson (1880-1978), conchologist, archaeologist and geologist

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