01093cam a22003131a 4500 gs 30000278 DLC 20260227111335.0 730206s1929 ohuab s001 0 eng gs 30000278 (OCoLC)552768 DLC ODaWU O OCoLC DLC premarc n-us-oh QE151 .A18 no. 34 ONR 84.3:34 ohdocs Bownocker, J. A. (John Adams), 1865-1928. Analyses of the coals of Ohio / by J.A. Bownocker and Ethel S. Dean. Columbus, Ohio : Geological Survey of Ohio, 1929 (Springfield, Ohio : Kelly-Springfield Printing Co.) 360 p. : ill., maps ; 25 cm. Bulletin ; no. 34 Some maps are folded. Includes index. Ohio coal supply and its exhaustion / Frank A. Ray. Coal Ohio. Dean, Ethel S. (Ethel Sourbray) Ray, Franklin A. (Franklin Arnold), 1862-1938. Bulletin (Geological Survey of Ohio) ; no. 34. 26824 26824