Have you seen Chaplin's film Gold Rush It is based on the gold rush of 1898 when gold deposits were found along Canada's klondike River. Thousands of people rushed there to seek gold.
But they did not realise they would face a food shortage.
Jules Verne's novel The Volcano of Gold is also based on their problems. Most people who got rich in dawson town were not gold miners. Clever business people opened stores and took advantage of the miners's needs. They charged high prices for eggs or stores and took advantage of the miners's needs They charged high prices for eggs or milk. While only few miners got rich from gold most shopkeepers got rich from food