Innovations
| Date | Innovations | City | Country | State | Society |
|---|---|---|---|---|---|
| between 1842 and the | Baltimore & Ohio Roundhouse & Shop Complex | Martinsburg | USA | WV | ASCE |
| 1815 | Fairmount Water Works | Philadelphia | USA | PA | ASME |
| 1801 | Philadelphia Municipal Water Supply | Philadelphia | USA | PA | ASCE |
| 1793 | U.S. Capitol | Washington | USA | DC | ASCE |
