Montgomery, Carla W. <br/><br/>
Instructor's manual environmental geology 

 - Dubuque  Lowa  1989 
 - iv,123p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Geology-Environmental Aspects
<br/><br/><label>Dewey Class. No.: </label>550  / M73I