Lake Algonquin and Lake Chicago both drained south into the Mississippi River watershed.

Entity and relation annotations:
id: 0
type: entity
value: text: Lake Algonquin
labels: <Location>
id: 1
type: entity
value: text: Lake Chicago
labels: <Location>
id: 2
type: entity
value: text: the Mississippi River
labels: <Location>
type: relation
to_id: 1
labels: Location:Adjacent:Location
from_id: 0