Assertion: bald eagle's nest | /r/AtLocation | use
Facets:
value: for over 150 years
type: TEMPORAL
value: for many generations
type: TEMPORAL
Source sentences:
text: They use them year after year and continue to build upon the foundation, so a nest that has been in use for many generations might be 8 feet across, 10 feet deep, and weigh 2,000 pounds!
text: They are faithful to their territories, once they reproduce, and nests are often reused, sometimes for decades by successive generations of birds; a nest in Iceland has been in use for over 150 years.