"O'Fallon's Bluff" on the Platte River was named for him.

Entity and relation annotations:
id: 0
type: entity
value: text: "O'Fallon's Bluff"
labels: <Location>
id: 1
type: entity
value: text: the Platte River
labels: <Location>
type: relation
to_id: 1
labels: Location:located_in:Location
from_id: 0