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	      Date:  2015-07-31
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	               gmd:title:  IceBridge ATM L1B Elevation and Return Strength
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	                     gmd:date:  2013
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	               gmd:edition:  2
	               gmd:editionDate:  
	                  gmd:Date:  2013-11-26
	               gmd:identifier:  ILATM1B
	               gmd:identifier:  http://dx.doi.org/10.5067/19SIM5TXKPGT
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	         gmd:Abstract:  
	
	            This data set contains spot elevation measurements of Arctic and Antarctic sea 
	            ice, and Greenland, Antarctic Peninsula, and West Antarctic region ice surface 
	            acquired using the NASA Airborne Topographic Mapper (ATM) instrumentation. The 
	            data were collected as part of Operation IceBridge funded aircraft survey 
	            campaigns.
	         gmd:Purpose:  Scientific Research
	         gmd:Credit:  Krabill, W. B. 2013, updated 2015. IceBridge ATM L1B Elevation and Return Strength. Version 2. [indicate subset used]. Boulder, Colorado USA: NASA National Snow and Ice Data Center Distributed Active Archive Center. http://dx.doi.org/10.5067/19SIM5TXKPGT. 
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