National Register Listings in Mason County, Washington

Cushman Hydroelectric Project Historic District Cushman No. 1 Hydroelectric Power Plant Cushman No. 2 Hydroelectric Power Plant Ebenezer Congregational Church Goldsborough Creek Bridge Harstine Island Community Hall High Steel Bridge Malaney-O'Neill House Mason County Courthouse North Hamma Hamma River Bridge Schafer State Park Shelton Public Library and Town Hall Simpson Logging Company Locomotive No. 7 and Peninsular Railway Caboose No. 700 South Hamma Hamma River Bridge Twanoh State Park Vance Creek Bridge