digging in the water untop the mountain
The warden says it is to build character but she just wants them to do it so that they can find treasure.
You could shoot a hole into the ground without digging just has to a very powerful projectile
well, if it's digging holes, it may be pregnant. (Turtles can't have babies in the water)
Do you perhaps mean "Hole in the Ground" by Bernard Cribbins? http://www.youtube.com/watch?v=ZGk4AKOwJbc