Summary of Water Flood Operations in Illinois Oil Pools During 1953; Illinois State Geological Survey Circular 193Pohlídat
Summary of Water Flood Operations in Illinois Oil Pools During 1954; ISGS IL Petroleum Series No. 7372 stránek3 hodiny čteníPohlídat
Petroleum Industry in Illinois in 1955; Illinois State Geological Survey Bulletin No. 81200 stránek7 hodin čteníPohlídat
