Final environmental impact statement and proposed plan amendment for the Powder River Basin oil and gas project [electronic resource] : (WY-070-02-065) / U.S. Department of the Interior, Bureau of Land Management, Wyoming State Office and Buffalo Field Office.
Imprint
[Cheyenne, Wyo.] : Bureau of Land Management, Wyoming State Office ; [Buffalo, Wyo.] : Bureau of Land Management, Buffalo Field Office, [2003]