Okonoko is located north of Levels on the Potomac River at Bright's Hollow.

Entity and relation annotations:
id: 0
type: entity
value: text: Okonoko
labels: <Location>
id: 1
type: entity
value: text: Potomac River
labels: <Location>
id: 2
type: entity
value: text: Bright's Hollow
labels: <Location>
id: 3
type: entity
value: text: north of Levels
labels: <Location>
type: relation
to_id: 2
labels: Location:located_in:Location
from_id: 1
type: relation
to_id: 1
labels: Location:located_in:Location
from_id: 3
type: relation
to_id: 3
labels: Location:located_in:Location
from_id: 0