Powers Elevation-Archaeology Division, Denver, Co No description specified. 1-3 (3 Records) Documents Archaeological Survey for South Louisiana Production Company, Shell Creek Unit #6 Well Pad and Access Road, Moffat County, Co (1980) Arco Oil & Gas #1-6 Sheephead Prospect, Moffat County, Colorado (and Addendum) (1983) Dry Fork-Debeque Pipeline and Dry Fork Extension (1981)