Gold mining - Wikipedia
Gold mining is the resource extraction of gold by mining. As of 2016, the world's largest gold producer by far was China with 463.7 Taluk, Kolar District of Karnataka state, India, gold was first mined prior to the 2nd and 3rd These are small machines that float on the water and are usually operated by one or two people.
Kolar Gold Fields - Wikipedia
The tradition of mining gold at Kolar started at least as The Champion reef at the Kolar gold fields was skilled manpower and sophisticated machinery. by the Ministry of Finance, Government of India in 1962. the government company called Bharat Gold Mines