Improving driving range drainage

We have begun a drainage project on the driving range. We will install about 4000 feet of drain tile in the next two months. We can trench about 100 feet per hour, so the trenching should be complete soon. We are exploring several ways to remove spoils, including the old school method in the photo. Note to self; old school is slow.
Two coyotes looked like they were going to join us this morning, but they decided to explore the red instead. We could have used the help,
Turf