00849cam a22002771i 4500 gs 49000116 DLC 20260227111355.0 780809s1948 ohub s000 0 eng c gs 49000116 (OCoLC)4121411 U.S. Geol. Survey. Libr. NcRS NcRS O DLC premarc n-us-oh QE151 .A186 no. 4 662.6 ONR 84.19:4 ohdocs Dean, Ethel S. (Ethel Sourbray) Additional analyses of coals of Ohio / compiled by Ethel S. Dean. Columbus, Ohio : Geological Survey of Ohio, 1948. 17 p. : map ; 25 cm. Geological Survey of Ohio. Report of investigations no. 4 Title from cover. Coal Ohio. Coal Analysis. 28363 28363