Betz, Frederick <br/><br/>
Environmental geology 

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 - Pennsylvania  Dowden  Hutchinson & Ross, 1975 
 - xvi, 392p.   
<br/><br/>  Benchmark papers in geology, ed. by Rhodes W Fair bridge, 25. Includes bib. references 
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<br/><br/><label>Subjects--Index Terms: </label>Geology  Geochemistry  Chemistry  Spectroscopy  Biochemistry  Spectrum analysis  Acids  Bases- chemistry  Physical science  Science  Earth science  Chemistry  Spectroscopy  Biochemistry  Spectrum analysis  Acids  Bases- chemistry  Physical science  Science 
<br/><br/><label>Dewey Class. No.: </label>55:301.18