Assertion: tern | /r/AtLocation | the missouri river
Facets:
value: south to lake oahe
type: LOCATION
value: from garrison dam
type: LOCATION
value: in north dakota
type: LOCATION
Source sentences:
text: In North Dakota, the least tern is found mainly on the Missouri River from Garrison Dam south to Lake Oahe, and on the Missouri and Yellowstone Rivers upstream of Lake Sakakawea.