Session No. 421
	Saturday, 31 October 2015: 8:00 AM-8:00 PM
	East Bldg, Lobby B (Hilton Baltimore)
	
	Rockin' DC: A Geological Overview of the National Mall and Its Building Stones
			Victoria Martin, Leader
		
 
	
			Kenneth Rasmussen, Primary Leader
		
 
	
	
	
			
	
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