I'll be a dirty bird if that doesn't look like Giant's Ladder near Tolland, CO and East Portal of the Moffat Tunnel. But's oriented all wrong. Definitely different!
Well Now! Dave Porter strikes again! Pengra Pass, in Central Oregon The next ones will be a little harder.
The Siskiyou line is west of here. The Valley main splits into the Cascade line and the Siskiyou line just south of Eugene.