On board Northern Pacific passenger train number 25, the westbound Vista-Dome North Coast Limited, descending the grade from Homestake Pass at Highview, Montana, on June 8, 1955. Looking from rear vista-dome toward head end on curve. MP 61.5. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, mountains

On board Northern Pacific passenger train number 25, the westbound Vista-Dome North Coast Limited, descending the grade from Homestake Pass at Highview, Montana, on June 8, 1955. Looking from rear vista-dome, head end is just entering Tunnel 5 (Highview) on a 12-degree curve. MP 61.5. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, mountains

On board Northern Pacific passenger train number 25, the westbound Vista-Dome North Coast Limited, descending the grade from Homestake Pass west of Highview, Montana, on June 8, 1955. Looking from rear vista-dome toward head end on curve. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, mountains