Light fog and ridge-hugging clouds cover Coal Creek Canyon as the California Zephyr heads west on the Moffat Tunnel Sub.
With the City of Denver skyline on the horizon and wildflowers in bloom in Coal Creek Canyon, UP 6271 (ES44AC) shoves an oil can towards Tunnel #1 on the Moffat Tunnel Sub.
BNSF 5700 (ES44AC) moves a load of oil cans through Coal Creek Canyon, Colorado.
A spring snowstorm has frosted Coal Creek Canyon as Amtrak's Heritage VII painted #174 (P42DC) leads the Winter Park Express Ski Train into the Colorado Rocky Mountains.
The California Zephyr climbs out of Coal Creek Canyon towards Tunnel #1 as it heads towards Plainview, Colorado.
Fresh snow overnight has frosted the trees in Coal Creek Canyon as the California Zephyr heads into the Rocky Mountains.
A pair of new Phase VII 42's lead the California Zephyr through Coal Creek Canyon, Colorado.
BNSF 5700 (ES44AC) leads a freight down the hill from Tunnel #1 and through Coal Creek Canyon on the Moffat Tunnel Sub.
Freezing temperatures and snow have frosted the trees in Coal Creek Canyon as BNSF 5700 (ES44AC) leads a freight towards Denver on the Moffat Tunnel Sub.
UP 8147 (ES44AC) runs through Coal Creek Canyon as snow and fog moves into the valley.
Two Phase VII P42DC's lead the California Zephyr as it runs through Coal Creek Canyon, Colorado.
Heavy frost from sub-zero temperatures cotes the trees and grass as the California Zephyr rounds the corner at Blue Mountain and heads towards Coal Creek Canyon.
The California Zephyr runs through Coal Creek Canyon as it heads towards Tunnel #1 on the Moffat Tunnel Sub.
Fog and heavy snow blanket the California Zephyr as it runs through the cut at Coal Creek Canyon.
UP 8530 (SD70ACe) leads a quartet of power out of Tunnel #1 at Plainview, Colorado and will drop down into Coal Creek Canyon.
