1. Core Laboratories, Inc., 1972 . A survey of subsurface saline water of Texas . Texas Water Development Board Report 157.
2. The Effectiveness of Michigan's Oil and Gas Conservation Law in Preventing Pollution of the State's Ground Watersa
3. Herbert T. Hopkins, 1963 . The effect of oilfield brine on the potable ground water in the Upper Big Pitman Creek Basin, Kentucky . Kentucky University Geological Survey, Report of Investigations 4; Series X.
4. Fresh Water Pollution Hazards Related to the Petroleum Industry in Kansas
5. Public Law 93-523, 93rd Congress , 1974 , Safe Drinking Water Act .