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Hart Energy Publishing
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Environment
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Geoscientific Information
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1. North American Shale Plays, Fall 2012
2012. Hart Energy Publishing. This polygon shapefile contains information pertaining to shale gas plays in North America. This layer includes data for fall quarter 2012.This lay... Hart Energy Publishing.
2. North American Shale Plays, Summer 2014
2014. Hart Energy Publishing. This polygon shapefile contains information pertaining to shale gas plays in North America. This layer is from the summer quarter update of 2014.Th... Hart Energy Publishing.