*Map 73 01939
Bell, Alfred H.
eee Oil and gas map of Illinois, prepared by Alfred H. Bell... and George V. Cohee... Printed by authority of the state of Illinois, August 1, 1939. (Springfield, Ill.] 1939.
Size 49 x 28 1/2 inches. Scale, 1:500,000, or (computed) 7.89 miles to 1 inch.
At head of title: State of Illinois, Henry Horner, Governors; Department of registration and education. John J. Hallihan, Director; Division of the State Geological survey, M. M. Leighton, Chief, Urbana.
 
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