I learnt about
• Goolwa was where the river flag was first raised
• They started to build Lock 9 in1923 and finished in 1926
• Log bays help regulate the river by stopping the flow
• The fish ladder looks like a maze

The machine picks up the logs and puts them in the slots. When the flood comes they take the logs out so that the next lock can get some water. They do that when they get enough water and the cycle goes on. It takes about half an hour to start the machine up and pick up the the log and put it in the slot.
• The types of snakes that live around Lock 9 are
• Brown snakes
• Red Belly black snakes
• Tiger snakes

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