Help, Please! Should I work at the Grand Canyon South Rim?

I've been offered a server position with Xanterra at the South Rim, and from what I can tell, it's a permanent job offer. Sounds great, and I'd really like to do it.....

BUT!

HR is giving me NO information at all about the job, which restaurant they are going to be having me work at, or ANYTHING!

"We don't know, that's up to the manager", is all they will say..... and they act like I am bothering them.

I'm not concerned about the housing, or all of that stuff.......... but I am not going to quit a steady full time job with benefits as a Fine Dining Waiter, only to find that they have me manning a cafeteria line for breakfast.

And yet, no one at HR will give me the time of day. Is it just me, or is this what I should expect?

How can I find out about WHAT the job is, short of just quitting what I have, and taken pot luck?