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Date Innovations City Country State Society
1938 Bonneville Dam, Columbia River System Portland USA OR ASCE
1885 Davis Island Lock and Dam McKees Rocks USA PA ASCE
1805 Dismal Swamp Canal Chesapeake USA VA ASCE
1939 Dunlap's Creek Bridge Brownsville USA PA ASCE
1944 Kentucky Dam Grand River USA KY ASCE

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