Oil investigations in Illinois in 1914. 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 Rando
Book digitized by Google and uploaded to the Internet Archive by user tpb. Bound with Bulletin no. 29
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