The Greenback evolved over tens of thousands of years when drier weather and erosion caused &quot;basin transfers&quot; that isolated the Rocky Mountain front range streams.
(drier weather and erosion; caused; ) (that; isolated; the Rocky Mountain front range streams) Context(that isolated,List([120, 133))):(The Greenback; evolved; T:over tens of thousands of years; T:when drier weather and erosion caused &quot)
that isolated,List([120, 133))
drier weather and erosion that The Greenback
caused isolated evolved
the Rocky Mountain front range streams
T:over tens of thousands of years T:when drier weather and erosion caused &quot