 In the area, the four creeks (Smiths, Return, Battle and Nettle Creeks) have provided the majority of the concentrates.Bucket line dredging was begun on Return Creek by Tableland Tin Dredging Co Ltd in the early to mid 1930s, and on Battle Creek by Ravenshoe Tin Dredging Co Ltd in 1957.The Nettle Creek Tin Dredge was originally designed by FW Payne & Sons, England, and built c.1937 (according to photographs of the dredge under construction) in New Zealand by the Oak Ridge Co Ltd for Gold Mines Of New Zealand Co Ltd.