Category:Scientific articles mentioning the Alum Shale (U.K.)
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Media in category "Scientific articles mentioning the Alum Shale (U.K.)"
The following 2 files are in this category, out of 2 total.
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Annual report of the Yorkshire Philosophical Society (IA annualreportofyo23york).pdf 568 × 968, 700 pages; 25.86 MB