David Harper, M.S.
	
					
David Harper, M.S.
						
	Fisheries Bioogist
	CERC, Jackson Field Station
	USGS
	1475 Fish Hatchery Road
	
	Jackson, 
	WY
	USA
	83001
	
		 Email:
		david_harper@usgs.gov
	
	Papers:
	M-143-1 
	Toxicity of Saline Wastewater from Oil and Gas Development in the Bakken Shale Region of North America 
	
