Nice photographs! I'm a photographer (still learning really) and will be headed to Yellowstone to work for the season and to do some photography... what cameras/lenses are you using? I have a Nikon d300s, and Nikon d700..
My wife is a ranger and I worked 3 seasons - in Yukon Charley in Alaska and in Yellowstone - as a backcountry ranger. There are different types of rangers out there:
* Interpreters - doing the campground talks, nature hikes and educational outreach
* Backcountry Rangers - out there doing, you know, backcountry things
* Law Enforcement Rangers - Patrolling around protecting people from people, animals from people, people from animals, search and rescue, emergency medical, fire fighting and more. My wife fits into this category but there is a lot of overlap
A little something I found on the web just now, but haven't read: