Bureau of Land Management, Newcastle, WY No description specified. 1-2 (2 Records) Documents Class III Cultural Resources Inventory For Sioux Federal 31-9 NW-NE Sec. 9 T15N R50W General Atlantic Resource Company Cheyenne County, Nebraska (1991) Letter Report: General Atlantic Resources, Inc., Sioux Federal 22-9 Well Location, Access Road and Pipeline Route, Cheyenne County, Nebraska (1991)