San Francisco continued to play a role in the mining industry through all of the following activities except Group of answer choices The city merchants continued to supply miners even after the initial Gold Rush in California subsided. The increasingly important role of technological expertise in mining encouraged the growth of higher education institutions in the city to educate mining engineers. San Francisco bankers used their financial clout to centralize economic decision-making in the city and to introduce more productive technologies. It served as the financial center of mining throughout the West