Oregon Archer,
Don' t over complicate it.
Go back to elknuts first response and follow that advice, it is right on.
The elk will already be in the meadow at dawn and you don' t want to mess it up by going in there then, this is where patience pays off. The bulls tend to wander in and then back out mid day to hit the wallow and will be returning to the meadow with the cows from their daytime bedding areas right at dark.

Pay attention to which way the wind is blowing you need to set up so the wind is not blowing your scent to the main trail the elk appear to be using.
Get in there a couple weeks early and set up a couple ground blinds, one on each side so you will have a setup no matter which way the wind is blowing. Also check out possible ambush sights along these main trails as you may need to use them as a contingency plan if your first plan does not work.
A good scent lock suit or scent control spray might be in order here if in fact the elk are coming into the meadow from all directions.