regional uplift of the southern Rocky Mountains, about 5 million years ago, also caused rapid erosion with progressive lowering of the water table between 2.5 and 0.8 million years ago.
(regional uplift of the southern Rocky Mountains; caused; rapid erosion; T:2.5 and 0.8 million years ago; T:about 5 million years ago)
regional uplift of the southern Rocky Mountains
caused
rapid erosion T:2.5 and 0.8 million years ago T:about 5 million years ago