Assertion: eel river basin | /r/HasProperty | inhabited by human
Facets:
value: for thousands of years
type: TEMPORAL
Source sentences:
text: The Eel River basin has been inhabited by humans for thousands of years; some of the oldest concrete evidence of human habitation is at a petroglyph site near the upper Eel River discovered in 1913, which may be as old as 2500 years.