露天掘り
Gold was discovered in 1905 and the town of Round Mountain was established in 1906. The town started as an underground lode mining venture, which continued up to 1935. Surface mining with earth moving equipment lasted until 1940. In 1950 placer mining was done, with a dry land washing plant operating until 1957. Much hydraulic mining was done. Total district production was over $8 million. Some people still lived there in 1965 to 1969.