Hard Graft - but worth it! It took 50 yellow buckets of debris (mainly pigeon poo and rotten wood) to fill the tractor bucket. Each bucket took 20 pulls on the rope to hoist it from the ba se of the Silo Tower to the maine entrance. Shaun dug out all the muck and Lou pulled the bucket to the surface and emptied it into the bucket. We had 2 tractor buckets full of metal, 4 of ...