Ohle, Ernest L. <br/><br/>
Significant events in the geological understanding of the southeast Missouri lead district 

 - Littleton, Colorado  Society of Economic Geologists  1997 
 - pp. 1-7  ilus. 
 - Society of Economic Geologists. Special Publication  n.4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGIA ECONOMICA<br/>MINERALIZACION<br/>PLOMO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS<br/>MISSOURI
<br/><br/><label>Universal Decimal Class. No.: </label>553.44/S21|41