Displaying results 1 of 7 - 7
| Date | Innovation | City | State | Country | Society |
|---|---|---|---|---|---|
| 1947 | Maine Turnpike | ME | USA | ASCE | |
| 1928 | Bailey Island Bridge | Harpswell | ME | USA | ASCE |
| 1910 | Lombard Steam Log Hauler | Patten | ME | USA | ASME |
| 1807 | Portland Observatory | Portland | ME | USA | ASCE |
| 1787 | Portland Head Light | Cape Elizabeth | ME | USA | ASCE |
| 1761 | Sewall's Bridge | York | ME | USA | ASCE |
| 1931 | Waldo-Hancock Suspension Bridge | Stockton Springs | ME | USA | ASCE |
