Colorado/New Mexico passes

Johnson Barr Wrote:
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>
> p.s. What were the heights of Alpine Pass, Boreas
> Pass, Red Mountain Pass and Rollins Pass back in
> the day when they were active RR passes?
>
Alpine Tunnel sta., 11,546'
Boreas: 11,493'
(Other DSP&P Fremont Pass 11,320'[also D&RG])
Red Mountain 11,117' (Gladstone[SG&N] 10,587' Animas Forks [SN] 11,080')
Rollins Pass 11,660'
Some Others Higher Than Cumbres(ya know somebody is gonna ask):
D&RG- Marshall Pass 10,850'Tennesse Pass 10,433'[orig. line] 10,2??[new line]
CM- Ivanhoe 10,944[Busk-Ivanhoe Tunnel] Hagerman 11,530' [orig. line]
RGS- Lizard Head 10,250'

hank