Amtrak 69 (P42DC) leads a triple headed California Zephyr up Big Ten Curve as it leaves the Colorado Front Range and heads towards the Moffat Tunnel and the Rocky Mountains.
AMTK 69 (P42DC) leads a triple headed California Zephyr through Little Ten Curve as it climbs the grade towards the tunnel district on the Moffat Line. The Flatirons of Boulder, Colorado can be s... (more)
Union Pacific’s West Local out of Denver, powered by a trio of Rio Grande EMD GP40-2s, descends off Rocky Spur at Rocky, Colorado, on the afternoon of December 27, 2001.
The morning California Zephyr heads up the hill towards Big Ten Curve as a BNSF oil can train comes down the upper portion. This shot give you a sense of the grade as the elevation changes from t... (more)