Statements (6)
| Predicate | Object |
|---|---|
| gptkbp:charts |
course for ships
|
| https://www.w3.org/2000/01/rdf-schema#label |
navigation
|
| gptkbp:bfsParent |
gptkb:Augmented_Reality
gptkb:Potomac_River gptkb:Harriet_Tubman |
| gptkbp:bfsLayer |
3
|