Complex sentence: On arrival in Sydney he worked as a draper's assistant, and in 1856 moved to Hill End to mine gold, he also prospected at Rockhampton, the Snowy River, Lucknow and in New Zealand.
Split into simpler sentences: On arrival in Sydney, he worked as a draper's assistant, and in 1856 moved to Hill End to mine gold. He also prospected at Rockhampton, the Snowy River, Lucknow and in New Zealand.