Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geographical region
|
| gptkbp:amendedBy |
canal construction
lock and dam system |
| gptkbp:historicalSignificance |
navigation obstacle
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mississippi River rapids
|
| gptkbp:locatedIn |
gptkb:Mississippi_River
|
| gptkbp:mostlySubmerged |
since 20th century
|
| gptkbp:notableRapids |
gptkb:Des_Moines_Rapids
gptkb:Rock_Island_Rapids |
| gptkbp:bfsParent |
gptkb:Grand_Rapids,_Minnesota
|
| gptkbp:bfsLayer |
7
|