Innovations
| Date | Innovations | City | Country | State | Society |
|---|---|---|---|---|---|
| 1939 | Dunlap's Creek Bridge | Brownsville | USA | PA | ASCE |
| 1794 | New Castle Ice Harbor | New Castle | USA | DE | ASCE |
| Date | Innovations | City | Country | State | Society |
|---|---|---|---|---|---|
| 1939 | Dunlap's Creek Bridge | Brownsville | USA | PA | ASCE |
| 1794 | New Castle Ice Harbor | New Castle | USA | DE | ASCE |