sentences:  Oregon Islands National Wildlife Refuge provides Wilderness Act protection to 1,853 small islands, rocks, and reefs plus two headlands, totaling 371 acres (150 ha) spanning 320 miles (515 km) of Oregon's coastline from the Oregon-California border to Tillamook Head.The Oregon Islands National Wildlife Refuge was created in 1935 by the federal government.Haystack Rock off Cannon Beach was added to the refuge in 1968, and then became a wilderness area in 1978.