historic bridges .org · whitman & spiker, of baltimore, md. the drawspan fig. 2. completed bascule...
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engineeringnewsr79newy_0002engineeringnewsr79newy_0192engineeringnewsr79newy_0193engineeringnewsr79newy_0194
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engineeringnewsr79newy_0002engineeringnewsr79newy_0192engineeringnewsr79newy_0193engineeringnewsr79newy_0194