| Channel Material Code |
Channel Material Name |
Channel Material Description |
| silt |
siltmud |
|
| unkn |
unknown |
|
| UNSP |
Unspecified |
The channel bed material was not specified. |
| SAND |
sand |
The channel bed was composed of sand. |
| GRVL |
gravel |
The channel bed was composed of gravel. |
| CBLS |
cobbles |
The channel bed was composed of cobbles. |
| BLDR |
cobbles-boulders |
The channel bed was composed of cobbles and/or boulders. |
| LDGE |
bedrock-ledge-artificial |
The channel bed was composed of bedrock, ledge or an artificial material like concrete or metal. |
