USDI, NPS, Region Four, San Francisco 5, CA No description specified. 1-4 (4 Records) Documents Interim Report 1959-1960: John Day Reservoir Project, Columbia River (1960) Interim Report 1960-1961: John Day Reservoir Project, Columbia River (1961) Interim Report On Archaeological Excavations in the John Day Reservoir Area, Oregon (1959) Interim Report: 1961 - 1962 (1962)