If it is anything like Sam Houston Natl. Forest, the place should be covered up in squirrels. The trick to seeing squirrels is to find a likely spot, sit down and be quiet and still for a while. They will start appearing like ghosts and will be all around you shortly.
Also, I don't know why it works, but take a .22LR shell and tap it on a quarter in your hand.. For some reason, this brings them out pretty quickly. Don't know exactly why, but it works.
A hog is nothing more than a bullet receptacle.