ATW 84201 Unknown Reporting Mark 822296 UPY 712 CMO 21220 UP 3881, 4553, 4950 3309 Blake Street MRMX 131265 Cargill elevator Denver Colorado DGEX 94075 Christmas Tree Bokeh CTNX 44844? Great Western Sugar Mill White Sands, New Mexico Elite Barber Shop Empty Turkey Pot Pie plant Tolland, Colorado schoolhouse Winter trees Winter trees Boulder Creek near Highway 287 BNSF 9894 Front Range My backyard Clouds SP unidentifiable car number SOO 601519 D&RGW ?4 CNWX 260696 CMPX 251012 SPMW ??918 RRBX 4037 Cargill Grain Elevator Suncor Energy Refinery BNSF 1933 TTX Railgon Gondola NCUX 20027 UP 712 & UPY 1324 Union Pacific 36th Street Yard UPY 1295 Suncor Energy Refinery Suncor Energy Refinery BNBX 80035 Suncor Energy Refinery Suncor Energy Refinery DVLX 1041 FLOX 983210