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Oregon Historical County Records Guide

Umatilla County Records Inventory

Mining Claim Records

1863-1976

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.

Since 1976 mining claims have been recorded in the Book of Records (Clerk and Recorder Official Filings).

Records at the Oregon State Archives:
Mining Claims, 1863-1880 (.10 cu.ft.).

Records at the Umatilla County Courthouse, Records Office Research Room:
Mining Record [serves as index], vol. 4, n.d. (1 volume);
Mining Record [with index], vol. 4-5, 1946-1976 (2 volumes);
Record of Mining and Water Claims, vol. A, 1866-1896 (1 volume);
Record of Mining Claims and Water Rights, vol. 2, 1892-1934 (1 volume);
Record of Notices of Suspension of Assessment Work on Mining Claims, vol. 1, 1936-1946 (1 volume).

Records at the Umatilla County Surveyor's Office, Records Office Security Microfilm Cabinet:
[Mining Claims-Record], vol. 3, ca.1934-ca.1946 (1 reel of microfilm);
[Record of Mining and Water Claims], vol. A, 1866-1896 (1 reel of microfilm).

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).

Oregon Secretary of State • 136 State Capitol • Salem, OR 97310-0722

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