Gradually seventeen other counties in eastern Oregon were created from Wasco County, which now consists of 2,387 square miles. It is bordered by two rivers, the Columbia to the north and the Deschutes to the east, and by the Warm Springs Indian reservation on the south and Mt. Hood National Forest on the west. Assessment rolls show tax year, taxpayer's name, real and personal property values, taxes assessed, and assessor's name. Items assessed include gold dust, scrip, land, livestock, boats, and wagons. Series is not arranged.
Entries show type of document, date recorded, and clerk's signature.
Recorded documents include mechanics' liens, mortgages, stock brand registrations, land claims, deeds, and affidavits. Series is arranged chronologically by date recorded. Journal entries show meeting date, meeting location, commissioners' names, and a record of commission actions. Actions include appointing county officers, granting licenses, authorizing county expenditures, supervising road construction, accepting resignations, and defining election precincts. Series is arranged chronologically by meeting date.