Displaying results 1 of 6 - 6
| Date | Innovation | City | State | Country | Society |
|---|---|---|---|---|---|
| 1938 | Bonneville Dam, Columbia River System | Portland | OR | USA | ASCE |
| 1922 | Columbia River Scenic Highway | Cascade Locks | OR | USA | ASCE |
| 1948 | Commonwealth Building Heat Pump | Portland | OR | USA | ASME |
| 1947 | Howard Hughes Flying Boat, HK-1 | McMinnville | OR | USA | ASME |
| 1931 | Rogue River Bridge | Gold Beach | OR | USA | ASCE |
| 1956 | The Dalles Lock and Dam | The Dalles | OR | ASCE |
