Champlin Petroleum Company, Englewood, Co No description specified. 1-2 (2 Records) Documents Archeological Survey of Champlin Petroleum Company's Two Well Pads and Access Roads (Lease Nos. U-12421 and U-36492), San Juan County, Utah (1982) Cultural Resource Inventory and Avoidance On Seven Seismographic Transects for Champlin Petroleum Company, Alkali Prospect, San Juan County, Utah (1985)