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	1.	Building stones of Ohio / by J.A. Bownocker. by Bownocker, J. A. (John Adams), 1865-1928 Geological Survey of Ohio Series: Bulletin (Geological Survey of Ohio) ; 18. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Columbus : Geological Survey of Ohio, 1915 Availability: No items available. Add to cart (remove)
	2.	The coal fields of the United States. General introduction, by Marius R. Campbell; Ohio, by J. A. Bownocker. by Bownocker, J. A. (John Adams), 1865-1928 Campbell, Marius R. (Marius Robinson), 1858-1940 Series: U.S. Geological survey. Professional paper ; 100 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. print. off., 1929 Availability: No items available. Add to cart (remove)
	3.	Analyses of the coals of Ohio / by J.A. Bownocker and Ethel S. Dean. by Bownocker, J. A. (John Adams), 1865-1928 Dean, Ethel S. (Ethel Sourbray) Ray, Franklin A. (Franklin Arnold), 1862-1938 Series: Bulletin (Geological Survey of Ohio) ; no. 34. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Columbus, Ohio : Geological Survey of Ohio, 1929 Availability: No items available. Add to cart (remove)

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