1. Control of Underground Waste Disposal;Task Group Progress Report;Jour. AWWA,1952
2. Findings and Recommendations on Underground Waste Disposal;Task Group Report;Jour. AWWA,1953
3. Effects of Coal Strip Mining Upon Water Supplies;Snyder;Jour. AWWA,1947
4. California State Water Pollution Control Board. Report on the Investigation of Travel of Pollution State of Calif. Publ. 11 1954
5. Baker , R. C. Hewitt , F. O. Billingsley , G. A. Ground Water Resources of the El Dorado Area, Union County, Arkansas Univ. Arkansas Inst. Sci. & Technol. Research Ser. 14 1948