00890cam a22002291 4500 gs 24000226 DLC 20260227111328.0 790607s1924 ilua s000 0 eng gs 24000226 (OCoLC)5045027 DLC TxCM DLC premarc TN872.I3 C6 Collingwood, Douglas Moore, 1887- Further consideration of prospects for oil in the Decatur area, by D. M. Collingwood. Printed by authority of the state. Urbana, Ill. [Springfield, Illinois State Journal Co.] 1924. 44 p. illus. Illinois State Geological Survey Report of investigations no. 1 At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. Petroleum Illinois Decatur area. 26335 26335