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Stone description: bluish-drab

Wall Number Sort descending Country State Classification Source
12RA14 United States Ohio Limestone Dayton
13la10 United States Ohio Limestone Covington
13RA8 United States Pennsylvania Dolomite Valley Branch Chester Co.
14LA44 Portugal Limestone Serra de Boa Viagem, Coimbra
14RB34 Spain Limestone Saragossa Prov.