Oregon Historical County Records Guide
Polk County Records Inventory
Mining Claim Records
Series documents actions filed with the county related to mineral interest claims. Types of actions include mineral rights and royalty assignments, mineral interest claims, lease releases, interest stipulations, corrections, bills of sale and conveyance assignments, and location notices. Information includes names of involved parties; action types and dates; and volume and page numbers. The series may also include copies of claim location notices giving descriptions and details of individual claims.
Prior to 1933 mining claims were recorded with the deed records (Deeds and Indexes).
Records at the Polk County Courthouse, County Clerk's Office:
Mineral Interest Claim Mining Claim Record [indexes mining claims in the Book of Records from 1970 to 1987], 1933-1987 (1 volume).
Records at a Related Web Site:
Online Land Records [includes various federal land survey records related to Oregon such as survey plats and field notes, mineral surveys, and historical indices], ca.1850-present (Bureau of Land Management).