Watkins, Joel S <br/><br/>
Our geological environment 

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 - Philadelphia  W B Saunders  1975 
 - xii, 547p.   
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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