Scope and Contents From the Collection: The Whiterocks trading post records (1878-1915) consist of six ledgers (1878-1898) kept by various Indian Agents on the Uintah and Ouray Reservation, eleven ledgers (1902-1915) kept by members of the R. L. Marimon family and clerks at the trading post on the reservation, one ledger detailing transactions at a Marimon family-owned trading post in Harrodsburg, Kentucky, and one volume with entries related to the Marimon ranch.