This book, "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. no. 31", by Illinois State Geological Survey, is a replication of a book originally published before 1915. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.