You'll need to be a little more specific to get some good advice. Are you a resident or non-resident? What are your goals for the hunt? If you're looking for a trophy, how is that defined by you? Wilderness, DIY, drop camp? Lots of details left up the air.
Give us a bit more on what you want for this elk hunt and I'm sure many others will be happy to provide some advice.
If you want to properly preserve velvet antlers, you will have to inject & brush them with formaldehyde or some of the new less toxic chemicals (4 in 1 solution works great as does Knobloch's antler in velvet tan) as its easier to use however, both will work.
First, using rubber gloves take a razor blade and make small incisions at the tips of all points about 1/8". Next hang the antlers upside down, allowing the blood to drain. Starting at the bases inject the solution into the...