1. Bell , Alfred H. Elwood Atherton T. C. Buschbach David W. Swarm Deep oil possibilities of the Illinois basin, Ill. State Geol. Surv. Circ. 368 1964
2. Possible mechanism for concentration of brines in subsurface formations;Bredehoeft;Bull. Amer. Ass. Petrol. Geol.,1963
3. Rates of vertical ground-water movement estimated from the earth's thermal profile;Bredehoeft;Water Resour. Res.,1965
4. Cartwright , Keros Temperature prospecting for shadow glacial and alluvial aquifers in Illinois, Ill. State Surv. Circ. 433 1968
5. The origin of saline formation waters, 1. Isotopic composition;Clayton;J. Geophys. Res.,1966