National Historic Register properties in Columbia county/parish, Washington
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Bishop, A. H., House (Dayton)
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Brining, John, House (Dayton)
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Columbia County Courthouse (Dayton)
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Dexter House No. 1 (Dayton)
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Dexter House No. 2 (Dayton)
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Downtown Dayton Historic District (Dayton)
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Flintner, Frank, House (Dayton)
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Guernsey-Sturdevant Building (Dayton)
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Israel, Grover J., House (Dayton)
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Kelley, Mancel, House (Dayton)
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Mill House (Dayton)
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Nilsson, Andrew, House (Dayton)
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Oregon Railway and Navigation Company Depot-Dayton (formerly Dayton Depot) (Dayton)
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Pietrzycki, Dr. Marcel, House (Dayton)
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South Side Historic District (Dayton)
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Thronson, J. A., House (Dayton)
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Washington Street Historic District (Dayton)
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Weinhard, Jacob, House (Dayton)
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Snake River Bridge (Lyons Ferry)
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Bank of Starbuck (Starbuck)