The Reference Room
Examples of finding aid components: Series list
Water Resources Department
Administrative Correspondence and Reports,
1972-1983
Administrative Rules Review Records, 1975-1977
Arid Land Record, 1905-1936
Certificates of Proof, 1909-1955
Columbia Southern Irrigating Company Case Records,
1893-1916
Desert Land Board Reclamation Records,
1901-1978
Desert Land Board Records, 1903-1940
Hydroelectric Commission Minutes, 1931-1961
Hydroelectric Commission Peoples’ Utility
District Records, 1931-1968
Hydroelectric Project Records, 1960-1987
Irrigation and Drainage Securities Commission
Minutes, 1917-1927
Maps, 1852-1978
Photographs, 1890-1961
Publications, 1956-1988
Reclamation Commission Records, 1926-1958
State Engineer Records, 1905-1954
Survey Record Books, 1920-1924
United States Geological Survey Cooperative
Agreements, 1905-1955
Upper Columbia River Basin Commission Records,
1952-1956
Water Policy Review Board Records, 1975-1984
Water Resources Board Member (Emery N. Castle)
Records, 1960-1973
Water Resources Board Minutes, 1955-1975
Water Resources Board Records, 1955-1975
Water Resources Committee Records, 1951-1955
Willamette River Basin Commission Records,
1930-1956