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Title
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Record Date | |||
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A2007-002.1502 : Marquam Bridge ramp, 2 deck freeway bridge | 12/15/1966 | ||
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A2007-002.1501 : Bridge ramp | 02/20/1975 | ||
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A2007-002.1500 : Marquam Bridge ramps, Willamette River | 07/18/1980 |