Displaying results 201 of 220 - 256
Date Image Innovation City State Country
1902 Cortland Street Drawbridge Cortland Street Drawbridge Chicago IL USA
1866 Cornish - Windsor Covered Bridge Cornish - Windsor Covered Bridge Cornish VT USA
1849 Conwy Tubular Bridge Conwy Tubular Bridge Conwy North Whales UK
1826 Conwy Suspension Bridge Conwy Suspension Bridge Conwy North Wales UK
1930 Columbia-Wrightsville Bridge Columbia-Wrightsville Bridge West Hempfield PA USA
1922 Columbia River Scenic Highway Columbia River Scenic Highway Cascade Locks OR USA
1933-1941 Colorado River Aqueduct Colorado River Aqueduct CA USA
1925 Cleveland Hopkins Airport Cleveland Hopkins Airport Cleveland OH USA
1733 City Plan of Savannah City Plan of Savannah Savannah GA USA
1682 City Plan of Philadelphia City Plan of Philadelphia Philadelphia PA USA
1764 Choate Bridge Choate Bridge Ipswich MA USA
1864-1869 Chesbrough's Water Supply System Chesbrough's Water Supply System Chicago IL USA
1829 Chesapeake and Delaware Canal Chesapeake and Delaware Canal New Castle DE USA
1905 Cheesman Dam Cheesman Dam Sedalia CO USA
1833 Charleston - Hamburg Railroad Charleston - Hamburg Railroad Charleston SC USA
1910 Charles River Basin Project Charles River Basin Project Boston MA USA
1903 Chain of Rocks Water Purification Plant Chain of Rocks Water Purification Plant St. Louis MO USA
1863-1869 Central Pacific Railroad Central Pacific Railroad Ogden UT USA
1905 Cedar Falls Water Supply Cedar Falls Water Supply Seattle WA USA
1672-1695 Castillo de San Marcos Castillo de San Marcos St. Augustine FL USA

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