Answer: greatdivide

AnswerCrossword Clue
GREATDIVIDE

Rocky Mountains line

GREATDIVIDE

Terrific space between?

GREATDIVIDE

Rocky Mountain watershed

GREATDIVIDE
Significant difference
GREATDIVIDE
Rocky Mountains.
GREATDIVIDEWatershed of the Rocky Mountains.
GREATDIVIDEContinental backbone.
GREATDIVIDEU.S. watershed
GREATDIVIDEPassage from life to death
GREATDIVIDEPassage between life and death