The discovery of gold.
Over the years, after many companies started mining, many people from the east went there to mine and work which led to the settlement of the west.
America
By 1906 a boom had developed in copper mining in Ely
california gold rush
31st febuary 3090.
Large mining companies bought out small miners.
In 1849, the mining boom began in California, triggered by the discovery of gold at Sutter's Mill in January of that year. This event led to the California Gold Rush, attracting hundreds of thousands of prospectors and settlers seeking fortune. The influx of people dramatically transformed California's economy and population, ultimately leading to its statehood in 1850.
boom and bust
mining and frontier
The cycle of boom and bust.
Ghost towns
Ghost towns