Displaying results 1 of 5 - 5
| Date | Innovation | City | State | Country | Society |
|---|---|---|---|---|---|
| 600 - 1450 AD | Hohokam Canal System | Phoenix | AZ | USA | ASCE |
| 1460 | Machu Picchu | Peru | ASCE | ||
| 1200 - 1534 | Tipon | Tipon | Peru | ASCE | |
| 16th Century | El Camino Real (The Royal Road) Eastern Branch | San Antonio | TX | Mexico | ASCE |
| 1519 | El Camino Real - The Royal Road | Mexico City to Santa Fe | NM | USA | ASCE |

