Marketed: Williston Basin Assets, Vanguard Natural Resources Vanguard Natural Resources Inc. has Williston Basin assets for sale through an auction handled by Eagle River Holdings LLC. The offer comprises operated and nonop working interests, overriding royalty interests, HBP leasehold and associated development rights in 290 gross wells throughout Montana and [...]

Marketed: Core Powder River Basin Acreage Position, Hyperion Oil & Gas The following information is provided by Eagle River Holdings LLC. All inquiries on the following listings should be directed to Eagle River Holdings. Hart Energy is not a brokerage firm and does not endorse or facilitate any transactions. Eagle River Holdings [...]