National Historic Register properties in Floyd county/parish, Iowa
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Brooks Round Barn (Charles City)
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Central Park-North Main Street Historic District (Charles City)
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Charles City Junior-Senior High School (Charles City)
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Cook Farm (Charles City)
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Dodd, A. B. C., House (Charles City)
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Dr. Salsbury's Laboratories, Main Office and Production Laboratory Building (Charles City)
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Floyd County Court House (Charles City)
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Hart, Charles Walter, House (Charles City)
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Lane, Lucius and Maria Clinton, House (Charles City)
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Main Street Bridge (Charles City)
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Miller, Alvin, House (Charles City)
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Parr, Charles Henry, House (Charles City)
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Sherman Nursery Company Historic District (Charles City)
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Spotts Round Barn (Charles City)
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Suspension Bridge (Charles City)
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Wildwood Park Historic District (Charles City)
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Tyden Farm No. 6 Farmstead Historic District (Dougherty)
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Marble Rock Bank (Marble Rock)
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River Street Bridge (Marble Rock)
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Hawkeye Street Underpass (Nora Springs)
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Rockford Mill (Rockford)