Champlin Oil Company, Rock Springs, WY No description specified. 1-2 (2 Records) Documents Affidavit of Spring Reconnaissance of the Access Road To the Cpc No. 8 Uprr 3-25 Well Location (1980) Letter Report: An Archaeological Survey of Cultural Resources Along a Proposed Access Road and Drill Pad, Champlin Oil Cpc Udc 1-23 (1979)