Rounding Big 10 Curve west of Rocky, Colorado, is Union Pacific freight MRONY (Roper to North Yard manifest) on February 14, 2015. The eclectic motive power consist includes EMD SD70ACe No. 8559, followed by a pair of GE AC4400CWs—Canadian Pacific No. 9576 and UP 7036. Next up are two General Electric “Tier 4 compliant” ES44ACs—GECX Nos. 2024 and 2023 in vibrant solid blue. Rounding out the consist are a pair of EMD SD70ACes—UP Nos. 8668 and 8362. From this angle on Big 10 Curve, Rocky main, siding and house track are directly above, as well as Rocky Spur above that.
