Trommel: 25ft long; Bucket line: 130ft long, 72 cast iron buckets, 660 lbs. ea., 3in dia. steel connecting pins, 24t line; Pontoons: 19 steel boxes; Spud: that piles into the bed below the dredge allowing the dredge to rotate about and hold in place; 150 Ibeams; History. The dredge ran for for 22yrs, ching 55million in gold. The dredge ...