De Witt, Ed <br/><br/>
Chronology of late cretaceous igneous and hiydrothermal events at the golden sunlight gold-silver breccia pipe, southwestern Montana. 

 - Geological Survey Bulletin .
 - Geological Survey Bulletin .
<br/><br/><label>Subjects--Index Terms: </label>GEOLOGIA 
<br/><br/><label>Universal Decimal Class. No.: </label>552.3