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Proper Testing for Oil Structures in Illinois and Some Areas Deserving Such Testing; 557 Ilre no.6Gail Francis 1898- Moulton, Gail Francis MoultonHäftad349 kr
Carbon Ratios and Petroleum in Illinois; 557 Ilre no.4Gail Francis 1898- Moulton, Gail Francis MoultonHäftad309 kr
Proper Testing for Oil Structures in Illinois and Some Areas Deserving Such Testing; 557 Ilre no.6Gail Francis 1898- Moulton, Gail Francis MoultonHäftad349 kr
Deeper Production in the Allendale Oil Field; ISGS IL Petroleum Series No. 12Gail Francis 1898- Moulton, Gail Francis MoultonHäftad299 kr
Carbon Ratios and Petroleum in Illinois; 557 Ilre no.4Gail Francis 1898- Moulton, Gail Francis MoultonHäftad309 kr