Further consideration of prospects for oil in the Decatur area,
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.
At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey.
gs 24000226
Petroleum--Illinois--Decatur area.
TN872.I3 / C6
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.
At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey.
gs 24000226
Petroleum--Illinois--Decatur area.
TN872.I3 / C6