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AuthorHubbard, George D. (George David), b. 1871. (1)Subject
Carboniferous - Black Hand formation; Cuyahoga formation; Sunbury shale; Berea sandstone; Bedford shale (1)
Devonian - Ohio shale; Olentangy shale; Delaware limestone; Columbus limestone (1)Geology -- Ohio -- Delaware County -- Maps (1)Geology -- Ohio -- Fairfield County -- Maps (1)Geology -- Ohio -- Franklin County -- Maps (1)Geology -- Ohio -- Licking County -- Maps (1)Geology -- Ohio -- Madison County -- Maps (1)Geology -- Ohio -- Pickaway County -- Maps (1)Geology -- Ohio -- Union County -- Maps (1)
Geology -- United States --Maps (1)
... View MoreDate Issued
1915 (1)
Type
Book (1)
Image (1)Map (1)Has File(s)Yes (1)