## Workers

ID | Name | ContactNumber | SkillLevel
--- | --- | --- | ---
1 | John Doe | 123-456-7890 | Intermediate
2 | Jane Smith | 987-654-3210 | Expert
3 | Mike Johnson | 555-123-4567 | Beginner
4 | Emily Davis | 555-987-6543 | Advanced
5 | David Brown | 555-765-4321 | Intermediate

## Equipment

ID | Type | SerialNumber | PurchaseDate
--- | --- | --- | ---
1 | Excavator | ABC123 | 2020-01-01
2 | Bulldozer | DEF456 | 2019-06-15
3 | Crane | GHI789 | 2021-03-20
4 | Backhoe | JKL012 | 2018-09-10
5 | Dump Truck | MNO345 | 2020-04-05

## Artifacts

ID | Artifacts_Uncovered | Ancient_Remains | Archaeological_Site | EstimatedAge
--- | --- | --- | --- | ---
1 | Pottery shards | Fragment of a vase | Riverbend Park | 200
2 | Animal bones | Fossilized teeth | Forest Grove | 1500
3 | Stone tools | Chipped stone points | Mountain View | 10000
4 | Clay figurines | Broken pieces | Valley Ridge | 3000
5 | Beads | Glass beads | Hillsborough | 500