Oil and gas in Bond, Macoupin, and Montgomery counties, Illinois,
Blatchley, Raymond S.
Oil and gas in Bond, Macoupin, and Montgomery counties, Illinois, by Raymond S. Blatchley; work done in cooperation with Illinois coal mining investigations, and U. S. Geological survey. - Urbana, Illinois State Geological Survey, University of Illinois, 1914. - 51 p. fold. map, diagrs. (part fold.) 26 cm.
gs 15000159
Petroleum--Illinois.
Natural gas--Illinois.
QE105 / .A16 no. 28
Oil and gas in Bond, Macoupin, and Montgomery counties, Illinois, by Raymond S. Blatchley; work done in cooperation with Illinois coal mining investigations, and U. S. Geological survey. - Urbana, Illinois State Geological Survey, University of Illinois, 1914. - 51 p. fold. map, diagrs. (part fold.) 26 cm.
gs 15000159
Petroleum--Illinois.
Natural gas--Illinois.
QE105 / .A16 no. 28