History of Channel Bed
| Element | Description | Element Code | Essential | Uniclass 2015 | Updates |
|---|---|---|---|---|---|
| Channel Bed | The bed of a channel | CHB | Yes | 25-02-2020 | |
| 27-04-2021 | |||||
| Channel Bed | The bottom of a channel/watercourse. | CHB | Yes | SL_32_65_71 | 27-04-2021 |
| Channel Bed | The bottom of a channel/watercourse. | CHB | Yes | SL_32_65_71 | 11-04-2023 |