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M. Martin: Duluth Aerial Lift Bridge 1992 trip
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M. Martin: Duluth Ship Canal 1992 trip
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M. Martin: Duluth Ship Canal 1992 trip
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M. Martin: William A. Irvin 1992 trip
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M. Martin: Duluth Aerial Lift Bridge 1992 trip
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M. Martin: Philip R. Clarke 1992 trip
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M. Martin: Minnesota State Capitol 1992 trip
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M. Martin: Minnesota State Capitol 1992 trip
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M. Martin: Cathedral of Saint Paul (Saint Paul, Minnesota)