Planet Associates, Denver, Co No description specified. 1-3 (3 Records) Documents Letter Report: Archeological Survey of the E / 2, Crook County, Wyoming (1980) Letter Report: Archeological Survey of the E / 2E / 2, Crook County, Wyoming (1980) Report of the Environmental Impact - Archaeological Survey for Well Locations 27-3-G, 28-3-G, Crook County, Wyoming (1978)