What+is+a+gold+rush?

Source: [] Gold is found in rocks and in the ground. People came to look for gold in Australia. It was called the Gold Rush. It was a hard life digging for gold. Some people became rich but lots did not.
 * What is a gold rush? **

 Source:  []  The discovery of gold in 1851, first in New South Wales and then in Victoria, caused massive changes as tens of thousands of people 'rushed’ to the gold fields to try their luck.

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