Sediment Retention Structure
GPTKB entity
Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:dam
|
| gptkbp:builtBy |
gptkb:U.S._Army_Corps_of_Engineers
|
| gptkbp:constructionStartYear |
1987
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:crosses |
gptkb:North_Fork_Toutle_River
|
| gptkbp:designedToProtect |
gptkb:Port_of_Longview
gptkb:Castle_Rock,_Washington gptkb:Columbia_River gptkb:Cowlitz_River gptkb:Longview,_Washington gptkb:Kelso,_Washington |
| gptkbp:height |
184 feet
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sediment Retention Structure
|
| gptkbp:length |
1,888 feet
|
| gptkbp:location |
gptkb:Mount_St._Helens_National_Volcanic_Monument
|
| gptkbp:manages |
Volcanic sediment
|
| gptkbp:opened |
1989
|
| gptkbp:purpose |
Sediment control
|
| gptkbp:relatedTo |
1980 eruption of Mount St. Helens
|
| gptkbp:state |
gptkb:Washington
|
| gptkbp:type |
Concrete dam
|
| gptkbp:bfsParent |
gptkb:Toutle_River
|
| gptkbp:bfsLayer |
6
|