John Oxley, Explorer of Australia

I am doing a project about John Oxley and i need to answer those following questions:

1.Who and what did he take with him?

like in every expedition he did what and who did he take with him.

2.What challenges did he face?

In every expedition, what challenges or problems he faced.

3.Places named and why?

If he named a place, what are they and why did he name it like that.

4. Rewards gained for his achievements?

did he get any rewards for exploring something or finding a river or a place. Then what was it the reward.

Analyse- Effectiveness as explorer?