Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:borderedBy |
gptkb:Cascade_Range
gptkb:Tualatin_Mountains |
| gptkbp:contains |
alluvial deposits
sedimentary deposits |
| gptkbp:containsCity |
gptkb:Portland
gptkb:Vancouver |
| gptkbp:drainedBy |
gptkb:Columbia_River
gptkb:Willamette_River |
| gptkbp:formedBy |
tectonic subsidence
|
| https://www.w3.org/2000/01/rdf-schema#label |
Portland Basin
|
| gptkbp:length |
about 70 km
|
| gptkbp:locatedIn |
gptkb:Oregon
gptkb:Washington |
| gptkbp:maximumDepth |
about 600 meters
|
| gptkbp:partOf |
gptkb:Puget-Willamette_Lowland
|
| gptkbp:studiedBy |
gptkb:US_Geological_Survey
|
| gptkbp:width |
about 30 km
|
| gptkbp:bfsParent |
gptkb:Ice_Age_Floods
|
| gptkbp:bfsLayer |
6
|