Editor's note:PXP's leases are perfectly legal, so the ideal here is to buy them out.

The Hoback River, which could see a gas field developed in its upper reaches, was placed on a list of the most endangered rivers in the U.S. this week by the conservation group American Rivers.

The Hoback’s position on the list was moved to fifth most endangered river, up from seventh in 2011.

A group of river enthusiasts shed light on the issue by inviting conservationists and the press to accompany them on their annual trip down the Hoback on Thursday.

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