Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
rapids
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:historicalSignificance |
navigation obstacle for steamboats
|
| https://www.w3.org/2000/01/rdf-schema#label |
Des Moines Rapids
|
| gptkbp:improvementYear |
1877
|
| gptkbp:improves |
gptkb:U.S._Army_Corps_of_Engineers
|
| gptkbp:length |
11 miles
|
| gptkbp:locatedNear |
gptkb:Keokuk,_Iowa
|
| gptkbp:locatedOn |
gptkb:Mississippi_River
|
| gptkbp:nowSubmergedBy |
gptkb:Keokuk_Dam
|
| gptkbp:state |
gptkb:Iowa
gptkb:Missouri |
| gptkbp:submergedBy |
1913
|
| gptkbp:bfsParent |
gptkb:Mississippi_River_rapids
|
| gptkbp:bfsLayer |
8
|