315 special runby locations

Hi,
I'm currently sorting video clips from the 315 Special on
September 13.+14. by locations. However I'm not 100% sure
about some locations, maybe someone can confirm or correct.
I've marked all locations, where I'm unsure with "???":

day 1
=====
-High Desert [MP285] at 8:30am
??? -Gravity Hill [MP289.4] at 9:10am
-Lava [MP291.7] at 9:45am
-Whiplash [MP297.8] at 10:40am
??? -Big Horn Siding [MP299.5] at 12:45pm, regular train passes
??? -Phantom Curve [MP312.14] at 1:07pm and 1:14pm
-Rock Tunnel [MP315.3] at 1:54pm
???- at 2:20pm -somewhere after Rock Tunnel before Osier
-Cascade Trestle [MP320.0] at 3:50pm
-Los Pinos River [MP323.4] at 4:17pm
-Tanglefoot Curve [MP330.2] at 5:10pm

day 2
=====
-Broad Spur [MP342.7] at 8:33am
-Lobato Trestle [MP339.8] at 9:07am
-Curve after Lobato Trestle at 9:17am
??? -Canyon Backdrop [MP334.2] at 10:04am (chasetrain runby) and
10:19am,
-Tanglefoot Curve [MP329.8] at 11:10am
-Rock Cut [MP317.0] at 1:09pm
??? -at 1:42pm somewhere after Rock Cut before Mud Tunnel
-Mud Tunnel [311.2] at 2:15pm
??? - at 2:34pm, regular train passes, Toltec or Sublette siding?
??? -Curve East of Sublette [MP304.8] at 3:52pm,
-Whiplash [MP295.9] at 4:23pm

Thank you!

Christian