But in the 1930s, an updated version was drawn up. This version had 44-inch driving wheels, a pair of 17 in x 22 in (431.8 mm x 558.8 mm) cylinders, a boiler pressure of 205 psi (1413.4 kPa), a tractive effort of 25,179 lbf (112 kN) and weighed in at 72 tons without the tender (115.25 tons with tender). Their tenders could hold up to 8 tons of coal and 4,000 gallons of water.[1]
^ abcDollywood Timeline. "Theme Park Timelines". Archived from the original on 2006-07-10. Retrieved 2009-12-12.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^Conrad, J. David (1988). The Steam Locomotive Directory of North America Vol 1. Transportation Trails. (2 Volumes)
^Conrad, J. David (1988). The Steam Locomotive Directory of North America Vol 2. Transportation Trails. (2 Volumes)
^Dollywood Timeline. "Theme Park Timelines". Archived from the original on 2006-07-10. Retrieved 2009-12-12.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^Johnson, Eric L. (1998). Sea to Sky Gold Rush Route. Rusty Spike Publishing. pp. 8 (Rocky Point), 10 (Clifton), 13 (Pitchfork Falls), 15 (Pitchfork Falls, Black Cross Rock), 21 (Slippery Rock), 23 (Inspiration Point), 24 (Gulch), 27 (American Snow Shed site, White Pass), 28-29 (Three Crossings of Cut-off Gulch), 31 (Red Line Transportation Co.), 40 (Thompson River ... Tutshi River), 43 (Duchess of Wellington), 44 ("Fraser Lake [topographical maps ... Bernard Lake]"), 45 (Summit Lake, Fraser Lake, Shallow Lake), 48 (Ptarmigan Point), 50 (Beaver Lake), 53 (Gravel Pit), 54 (Red Line), 56 (Utah, Canyon), 83 (Locomotives). ISBN0-9681976-1-2.
^The original #73 tender can be identified after 1981, by the absence of the left side tender ladder, which was removed in 1982.