What Mix Breed is My Dog?

What breed is my dog? She is 18 months old. I've been told she is Catahoula mix. She is only 30lb and her legs are just a little bit shorter than usual, but not as little as a Corgi.

Her coat is thin and her hair length is about an inch and very smooth. I absolutely love this girl, I just want some suggestions on what mix breed she is.

By CatahoulaMix