Oregon Historical County Records Guide
Tillamook County Records Inventory
County Officials Reports
Series reports the activities of county officials to the county court or board of county commissioners. Series may include reports by the treasurer, surveyor, clerk, roadmaster, assessor, sheriff, school superintendent, and county nurse or doctor. Reports summarize the activities of county officials and their staff as they perform their official duties.
Records at the Oregon State Archives:
Semi-Annual Report [Treasurer's with index], 1885-1904 (1 volume).