Training a dog to work cows?

I recently acquired a Blue Heeler puppy. (~14 weeks). She has shown some natural aptitude towards herding (amazing to see actually, considering her lack of a canine role model in this regard). Anyways, given her tendencies, I'd like to work on some training, and at least give her the basics as far as working cows goes (I'd rather have some training on these natural tendencies than to let them develop in unpredictable ways).

The thing is, it's not really something I'd considered before (long story, but we're her second home -- so kind of thrown in the deep end -- we were looking for a dog, but not so soon and probably would have chosen an 'easier' breed if totally given the choice), so I don't really know where to start this kind of training, don't know the building blocks to use to get what I want, and to some extent, don't really know what my goal is either.

Most of the so called cow dogs on farms I've seen seem to get in the way more than help!

Thoughts? Any good resources?

What I have-1 untrained blue Heeler, likely can get access to some quiet dairy heifers, good chute system, probably some beef cows as well, lots of vets willing to help.