Vocabulary
Why would someone want a secret signal for when they found gold?
people might try to steal it if they knew about it
What year did the Gold Rush basically end? (the number of people traveling to find gold basically dropped to zero, though some of the people who were already there kept mining)
1855
When did the Silver Rush start that made the Gold Rush officially end?
1859
Who was California's first millionaire? (Not from finding gold)
Samuel Brannen
Why was mining hard work?
You're out in the heat or freezing cold, doing manual labor