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				 Officials were 
				investigating the cause of the afternoon explosion at the COSSA 
				firing range, east of Bend, Deschutes County Sheriff's Office 
				spokesman Nathan Garibay said. It was not clear why the tank was 
				at the gun range, he said. 
				 
				Representatives of the range could not immediately be reached 
				for comment. The range is on 600 acres of Bureau of Land 
				Management land, leased to COSSA, according to its website, and 
				has various bays offering shooting distances from 50 to 1,000 
				yards, and allows different types of firearms. 
				 
				(Reporting by Eric M. Johnson in Seattle) 
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				reserved.] Copyright 2015 Reuters. All rights reserved. This material may not be published, 
			broadcast, rewritten or redistributed. 
				  
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