 The new branch was to be 5 miles 68 chains long, and he estimated that the cost, including locomotives, other power and a stock of wagons, would be £40,000.The Crown authorities had approved the line, and it was hoped that iron, iron ore, and coal would be exported from the new harbour, while Bullo harbour would be retained for the existing trade.Stephenson's bill for the survey was £267 8s.