Laporte L F <br/><br/>
Ancient environments 
Laporte L F 
 -  1968 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>48083 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Economic geology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H6, K8