01251cam a22002651 4500 gs 28000288 DLC 20260227111332.0 780303s1927 xx 000 0 eng c gs 28000288 (OCoLC)3687410 Library, U.S. Geological Survey OT TxU DLC premarc QE105 .A16 Mylius, Louis Aubrey, 1890- Oil and gas development and possibilities in east-central Illinois. (Clark, Coles, Douglas, Edgar and parts of adjoining counties) By L. A. Mylius. Printed by authority of the state of Illinois. Urbana, Ill. [Springfield, Jeffersons printing & stationery co.] 1927. 205 p. incl. illus., tables, diagrs. XXXI fold. pl. (incl. maps, plans, diagrs., pl., XXI-XXXI in separate portfolio) fold. tables. 26 cm. Illinois. State geological survey. Bulletin no. 54 At head of title: State of Illinois. Department of registration and education. Division of the state geological survey. Bibliographical footnotes. Petroleum Illinois. Natural gas Illinois. Bulletin (Illinois State Geological Survey) ; no. 54. 26657 26657