00918cam a22002531 4500 gs 28000005 DLC 20260227111332.0 790607s1927 ilu s000 0 eng gs 28000005 (OCoLC)5045346 DLC TxCM DLC premarc QE673 .C8 Culver, Harold Eugene, 1883- Present status of correlation of Illinois coals, by Harold E. Culver. Urbana, Ill. [Springfield, Jeffersons Printing & Stationery Co.] 1927. 13 p. Illinois State Geological Survey Report of Investigations no. 14 At head of title: State of Illinois. Department of registration and education. Division of the State Geological Survey. Geology, Stratigraphic Carboniferous. Coal Illinois. Correlation of Illinois coals. 26604 26604