Tillamook National ForestTillamook National Forest was established by the U.S. Forest Service in Oregon on March 2, 1907, with 175,518 acres (710.30 km2). On July 1, 1908, Executive Order 860 assigned a portion to Umpqua National Forest to establish Siuslaw National Forest and the remainder was returned to the public domain. The name was discontinued.[1] References
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