Keller, Edward A. <br/><br/>
Environmental geology. 

 - 
 - Columbus  Charles E Merrill  1981 
 - xii, 526p., illus.   
<br/><br/>  ref. at the end of each chap. 
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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