Griggs, Gary B.. <br/><br/>
Gelogic hazards,resources,and environmental planning /  
by Gary B.Griggs,John A. Gilchrist. 
 - 1st.Edn. /  
 - California :   Wadsworth publishing Company ,   1982 
 - xvi,502p ;  
<br/><br/><label>ISBN: </label>0-534-01226-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Science
<br/><br/><label>Dewey Class. No.: </label>H:(D)  / M3