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1Published 1986Subjects: “...Water-supply Texas San Antonio Region....”
Government Document Book -
2by Schultz, Alvin L.Subjects: “...Water quality Texas San Antonio Region....”
Published 1994
Government Document Book -
3Published 1993Subjects: “...Water Study and teaching (Elementary) Texas....”
Government Document Book -
4Published 1994Subjects: “...Edwards Underground Water District....”
Government Document Book -
5Published 1992Subjects: “...Edwards Underground Water District....”
Government Document Book -
6Published 1989Subjects: “...Water quality Texas San Antonio Region....”
Government Document Book -
7Published 1994Subjects: “...Water quality Texas Edwards Aquifer....”
Government Document Book -
8Published 1995Subjects: “...Water quality Texas Edwards Aquifer....”
Government Document Book -
9by Nalley, G. M.Subjects: “...Water quality Texas San Antonio Region....”
Published 1990
Government Document Book -
10by Pavlicek, DianneSubjects: “...Saline water barriers Texas Edwards Aquifer....”
Published 1987
Government Document Microform Book