BNSF 8798 (SD70ACe) gets a helping hand from a Kansas City Southern AC4400CW as it moves a empty coal train past Barr Lake.

Its getting late in the day as BNSF 5954 (ES44AC) leads a coal into Castle Rock, Colorado.

Executive MAC BNSF 9646 pulls into the old Berthoud Depot which sits at the base of the iconic grain silo which has become a landmark for the small town.

BNSF 7387 (ES44DC) tries to outrun the turbulent storm that has brought heavy hail and rain to Castle Rock, Colorado.

BNSF 9284 leads a heavy coal train over the iconic Santa Fe Bridge located in Larkspur, Colorado.

BNSF 5411 (Dash 9) runs past the abundant scrub brush near Palmer Lake; a result of the monsoon seasonal rain showers that blanket the Front Range daily during this time of year.

BNSF 5954 (ES44AC) pulls a coal train into Sedalia, Colorado.

More and more Genset 3GS21B's have been spotted in the UP's North Yard in Denver as of recent.

At one time it was not uncommon to find a number of MP15AC and MP15DC units working in the North Yard in Denver, Colorado.

A nice variety of power can be seen in this shot of the BNSF engine servicing yard.

UP 7997 (ES44AC) pushes an empty coal train through a cut in Palmer Lake, Colorado.

BNSF 9193 (SD70ACe) anchors a maintenance train in the BNSF's East Yard in Fort Collins, Colorado.

A pair of Geeps hold position in the BNSF Denver Yard along with a rare sight; a BN caboose free of graffiti. BNSF 2587 is a GP39-3 in the Heritage III scheme and BNSF 2700 is a GP39-2 still weari... (more)

BNSF 8368 (ES44C4) muscles an empty coal train through Monument, Colorado.

Both the cows and KCS 4604 are hoping to outrun the torrential rain and hail which will soon fall over this area north of Larkspur, Colorado.