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Transportation
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Allegheny
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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Dredge "William A. Thompson" under construction, Pittsburgh, Pennsylvania
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1936
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1937
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Dredges
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Mississippi River
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River Channels
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Rivers
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U.S. Army Corps of Engineers
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