Cumbres and those sheepBy Jim WrinnThe Rio Grande narrow gauge is not complete without the sheep on CumbresIntermodal mysteryBy David IbataHow science saved the double-stack trainIf the wall could talkBy George W. HamlinWhat did the fading wall along Norfolk Southern’s ex-Norfolk & Western Shenandoah line at Buena Vista, Va., see over the years?Map of the Month: No. 261’s travels, 1993-2017By Steve GlischinskiFrom restoration to the present, this Milwaukee Road 4-8-4 has roamed the railsRide this experimentBy Bob TuzikWhy New York’s Flushing Line is the high-tonnage laboratory ideal for transit testingThe long waitBy Kevin N. TomasicAn old hopper sits off the rails in an abandoned East Broad Top yard in Mount Union, Pa., waiting for the crew to come back and rerail itTime is upBy Bob JohnstonScorecard on stimulus projects: Some home runs, no grand slams, a few big strikeoutsSunday in the Sun LoungeBy Joseph L OatesAfter all these years, one railroader’s dream comes trueIn My Own Words: ZipperBy Norman ResorNever underestimate the loyalty of a railroad dog, especially when danger strikes