00873cam a22002411 4500 gs 25000144 DLC 20260227111329.0 790607s1925 ilua s000 0 eng gs 25000144 (OCoLC)5045083 DLC TxCM DLC premarc TN805.I3 F5 Fisher, Daniel Jerome, 1896- Structure of Herrin (no. 6) Coal seam near Duquoin, by D. J. Fisher. Urbana, Illinois [Springfield, Schnepp & Barnes, printers] 1925. 34 p. illus. Illinois State Geological Survey Report of investigations no. 5 At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. Coal Illinois. Herrin (no. 6) Coal seam near Duquoin. 26384 26384