South Park Rail Society Klondike Kate 4, Baldwin built 1912 2-6-2 operated on Boreas Pass Railroad Day, 17 August 2019. Klondike Kate 4 was built as Klondike Mines Railway 4 and nicknamed for co-owner Kathy Brantigan. Tender lettered for Denver, South Park & Pacific (DSP&P) RR. Como, Colorado, USA.