Mobil Oil Corp., Big Piney, WY No description specified. 1-2 (2 Records) Documents Letter Report: Affidavit of Cultural Resource Inventories, Mobil Oil Corporation, Mobil Power Lines 1, 2 and 3 (1981) Letter Report: Affidavit of Cultural Resource Inventory, Survey of the Nugget Canyon Well Location and Access Roads for Mobil Oil Company (1981)