Union Pacific 36th Street Yard UP 712 & UPY 1324 NCUX 20027 TTX Railgon Gondola BNSF 1933 Suncor Energy Refinery Cargill Grain Elevator RRBX 4037 SPMW ??918 CMPX 251012 CNWX 260696 D&RGW ?4 SOO 601519 SP unidentifiable car number UPP 430 ATW 84201 Unknown Reporting Mark 822296 UPY 712 CMO 21220 UP 3881, 4553, 4950 3309 Blake Street MRMX 131265 Cargill elevator Denver Colorado Suncor Energy Refinery Suncor Energy Refinery BNBX 80035 Suncor Energy Refinery Suncor Energy Refinery DVLX 1041 FLOX 983210 CSX 5429 SPSX 3782 PLMX 35240 CSX 5429 Riverside Cemetery The steam crane at Valmont Butte The Flatirons Valmont Power Plant, Boulder CO C&S Boxcar at BVRHS Boulder County Courthouse Sheep running from the camera Crane at Valmont Butte Valmont mill Boulder Station Blue Rubber Christmas