Cliffs Shaft Mine Museum Mining was the area's primary industry by way of the years until 1985, when the Homestake Mining Company closed down the Bulldog Mine. Admission to the Bon Ami Mine is $8.00 for adults, $7.00 for seniors over 60, and $6.00 for students. A 12-page full-color https://2-093680.tkzblog.com/5853515/is-bitcoin-mining-still-profitable