1. Guyton , W. F. Industrial Use of Ground Water Presented at Technical Assn. of Pulp and Paper Industry's Annual Meeting 1950
2. Warne , William E. Action on Ground Water Problems Eng. News-Rec. 1949
3. Warne , William E. Legal and Economic Problems Associated With Excessive Withdrawal From Ground Water Sources Presented at Inter-American Conf. on Conservation of Renewable Natural Resources Denver, Colo. 1948
4. Is Texas Running Dry?;Abrams;Pub. Util. Fortnightly,1950
5. Meinzer , Oscar Edward Ground Water in the United States. Wtr. Supply Paper 836-D U.S. Dept. of Interior Washington, D.C.