Which of these was a consequence of the exhaustion of the initial gold deposits in California?

Question

Quizplus · Accepted Answer

When the initial gold deposits in California began to exhaust, independent miners found it increasingly difficult to make a living through small-scale operations. As a result, many had no choice but to become employees for the larger mining companies that had the resources to dig deeper and process ore more efficiently.

Which of These Was a Consequence of the Exhaustion of the Initial