Flawn, Peter Tyrell, <br/><br/>
Environmental geology :  conservation, land-use planning, and resource management 

 - 313 páginas 
 - Harper's geoscience series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Recursos naturales
<br/><br/><label>LC Class. No.: </label>QE33  / F52