Contents: Excavated Control Unit Coding Index
Primary Key: CD_CONTROL
Columns:
| Name | Type | Size | Contents |
| CD_CONTROL | NUMBER | 1 | Code |
| TEXT | VARCHAR | 100 | Text Description |
Codes:
| CD_CONTROL | TEXT |
| 0 | no |
| 1 | 2 square meters excavated |
| 2 | 4 square meters excavated |
| 3 | Other |
| 4 | multiple control units excavated |