Area south of the Colmar oil field, by William C. Morse and Fred H. Kay. The Coolmar oil field--a restudy, by William C. Morse and Fred H. Kay. The Allendale oil field, by John L. Rich. Anticlinal structure in Randolph County, by Stuart Weller. Oil and gas in Gillespie and Mt. Olive quadrangles, by Wallace Lee Illinois State Geological Survey creator Morse, William Clifford 1874- text ilu Urbana Illinois State Geological Survey, University of Illinois 1915 monographic eng

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111 p. illus., fold. maps, fold. tab., diagrs. (part fold.) 26 cm. Work in cooperation with U.S. Geological survey. Bound with Bulletin no. 29. Petroleum Illinois QE105 .A16 no. 31 gs 15000804 U.S. Geol. Survey. Libr. 750818 20260227111318.0 gs 15000804