Displaying results 81 of 100 - 256
Date | Image | Innovation | City | State | Country Sort ascending |
---|---|---|---|---|---|
1846 | Duck Creek Aqueduct | Metamora | IN | USA | |
1929 | Navajo Bridge | Page | AZ | USA | |
1855 | Whipple Truss Bridge | Schenectady | NY | USA | |
1835 | Canton Viaduct | Canton | MA | USA | |
1888 | Sweetwater Dam | Chula Vista | CA | USA | |
1899 | Snoqualmie Falls Cavity Generating Station | Snoqualmie | WA | USA | |
1913 | Keokuk Hydro-Power System | Keokuk | IA | USA | |
1931 | George Washington Bridge | Fort Lee | NJ | USA | |
1940 | Fort Peck Dam | Fort Peck | MT | USA | |
1801 | Philadelphia Municipal Water Supply | Philadelphia | PA | USA | |
1864-1869 | Chesbrough's Water Supply System | Chicago | IL | USA | |
1764 | Choate Bridge | Ipswich | MA | USA | |
1877 | High Bridge | Wilmore | KY | USA | |
1911 | Theodore Roosevelt Dam & Salt River Project | Tonto National Forest | AZ | USA | |
1728-1821 | Royal Colonial Boundary of 1665 | Middlesboro | KY | USA | |
1761 | Bethlehem Waterworks | Bethlehem | PA | USA | |
1935-1937 | Blue Ridge Parkway | Blue Ridge Mountains | VA | USA | |
1842 | Croton Water Supply System | New York | NY | USA | |
1803 | Middlesex Canal | Billerica | MA | USA | |
1930 | Zion Mt. Carmel Tunnel and Highway | Hurricane | UT | USA |