Eureka!

Why do the miners have to pay to mine their own land?

Bad Government

The miners had to pay to mine their own land. This is because the government was greedy wanted money. The Government gave the miners licences so they can get money monthly. If the miners didn't have a licence the miners would get bashed and kicked by the soldiers.

The miners licence

The miners licence was paid monthly at around 1000 pounds. If they don't pay to get a licence they got bashed and kick out.