Federal environment department says Black Mountain Energy has provided insufficient data as it seeks to drill 20 gas wells in the Kimberley region

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The federal government has repeatedly raised concerns about an American company’s bid to frack for gas in Western Australia’s Kimberley region, part of the world’s largest and most intact tropical savanna.

Texas-based Black Mountain Energy, through its subsidiary Bennett Resources, is seeking federal approval to drill 20 gas wells for its Valhalla project west of Fitzroy Crossing.