John L. Mathis
Railroad Photography

BNSF ES44DC 7775 leads three C44-9W's on the eastward climb out of the Colorado River valley toward the Arizona divide which is almost 7,000 feet higher and over 175 miles away, on November 16, 2006.
Canon 1DSMKII - 1/640 sec - f/9 - ISO 320 - EF100-400mm f/4.5-5.6L IS lens @115mm